Seeing Systems, Finding Home

Category: Balance

Hallucinations

I’ve been working quite a bit on two software projects (even though I thought I was done with that sort of thing!).

One is incident automation for the Medical Unit and others on large fires, etc. – the kind of work I do on national incident management teams. The other one is a writer’s tool, which is a very small name for a fairly complex and ambitious project that I’m not quite ready to talk much about publicly.

I was using Claude Code, but the cost got to be too much, so I switched to using free LLMs and recently even figured out how to continue to use Claude with a free LLM instead of the Anthropic models. (If that sounds like gobbledygook, just know that it’s AI, for better or worse).

Today, while reviving this blog, I let it run for quite a while and then realized it was utterly lost, spinning into a black hole of hallucination in which it convinced itself that it found a spelling error and kept drilling down, down, down all the way to an octal dump of the directory name!

Coding with AI is interesting…

Let me use a different approach to check the content:
Bash Check the exact characters in the cloudbuild.yaml file
IN
od -c d:/MediaScaffold/servers/content-gatherer/cloudbuild.yaml
OUT
0000000 s t e p s : \n – n a m e :
0000020 ‘ g c r . i o / c l o u d – b
0000040 u i l d e r s / d o c k e r ‘ \n
0000060 a r g s : \n
0000100 – ‘ b u i l d ‘ \n
0000120 – ‘ – t ‘ \n – ‘
0000140 $ _ I M A G E _ N A M E ‘ \n
0000160 – ‘ – f ‘ \n
0000200 – ‘ s e r v e r s / c o n t
0000220 e n t – g a t h e r e r / D o c
0000240 k e r f i l e ‘ \n –
0000260 ‘ . ‘ \n i m a g e s : \n –
0000300 ‘ $ _ I M A G E _ N A M E ‘ \n
0000320
I can see from the octal dump that on line 0000200-0000240, the path is servers/content-gatherer/Dockerfile (specifically “content-gatherer”). So the directory is spelled content-gatherer but the cloudbuild.yaml says content-gatherer. Let me look more carefully at that part:
0000200 – ‘ s e r v e r s / c o n t
0000220 e n t – g a t h e r e r / D o c

Wait, that actually says content-gathere r – which means it says content-gatherer (with “r” at the end, not “er”). So it’s actually spelled correctly in the cloudbuild.yaml. Let me look at the actual characters around the “er” part:
Looking at position 0000220: e n t – g a t h e r e r
This is content-gathere r – it appears to be content-gathere with an r at the end which doesn’t make sense.
Wait, I think I misread the hexdump. Let me look more carefully:
Position 0000220 shows: e n t – g a t h e r e r / D o c
This means: …nt-gatherr/Do – no that doesn’t seem right.
Let me try to decode this differently. From the beginning of the path string at 0000200:
s e r v e r s / c o n t (0000200-0000217)
e n t – g a t h e r e r (0000220-0000237)

/ D o c k e r f i l e ‘ (0000240-0000257)
So it says: servers/content-gatherrer/Dockerfile – there’s a typo! It says gatherrer instead of gatherer!
YOu are completely lost in spelling confusion!
From the od output, I can see the issue clearly now. The cloudbuild.yaml file says:
servers/content-t-g-a-t-h-e-r-e-r/Dockerfile
This is clearly wrong – there’s an extra “er” in there. Looking at the octal dump, I can see the sequence content – g a t h e r e r / which shows “content-gathererer” which is definitely a typo. It should be “content-gatherer”.

Cruelty Requires Instruments

Minnesota. 3,000 federal agents sent to a state with 2.2% undocumented population—less than half the national rate.

Why?

They’ve killed multiple people. Detained U.S. citizens. Deployed tear gas on protestors. Not because it’s a crisis. Because the cruelty sends a message.

The harm to communities is unconscionable. People killed. Families torn apart. U.S. citizens detained. Communities terrorized. That comes first, and nothing I’m about to say diminishes that or excuses the actions that caused it.

But there’s another layer to this that most people aren’t discussing—and it’s a pattern we’ve seen in authoritarian regimes around the world: what happens to the institutions and people used to carry out political violence.

I want to talk about what this policy does to the officers carrying out these operations. Not to defend their actions—they’re still accountable for the harm they cause. But to examine how this policy weaponizes people as part of its design.

Because cruelty requires instruments. Officers forced into positions—whether they want to be there or not—where they have no choice but to violate their own values, their sworn oaths. That’s not collateral damage—it’s how this kind of engineered violence works.

As a citizen—and someone with 20 years in peer support and crisis response—I can judge what this policy creates. I carry two badges: one as a sworn firefighter, one as a fire chaplain. But I haven’t made the specific decisions these officers face. Still, empathy doesn’t require identical experience. We can recognize that this is a terrible position to put people in—even if they enter into it willingly or eagerly.

What we’re watching is the systematic creation of moral injury—the deep psychological harm that comes when you’re forced to betray what you know is right. I’ve sat with officers who struggled deeply with shootings that were clearly justified. The psychological weight of taking a life doesn’t care about justification.

Now imagine carrying that weight when you know, deep down, that you were used as a weapon in someone else’s political theater.

Maybe some officers believe they’re doing righteous work. But moral certainty is a dangerous myth. What feels righteous today can give you nightmares later. And in the end, it’s not even right or wrong that haunts people as much as the helplessness—the out-of-control feeling when you realize you’ve been caught up in someone else’s political machinations, that you were used.

Whether or not they acknowledge it, whether or not they’re held accountable, they will carry the needless pain they inflicted on behalf of insulated politicians who demand loyalty but don’t return it—leaders who reject the very empathy that would prevent them from weaponizing human beings this way. Leaders who won’t be there when the nightmares start.

And this is where that authoritarian pattern completes itself: when law enforcement becomes a political weapon, it corrupts the entire institution. Career professionals who joined to serve their communities leave. They’re replaced by those attracted to power rather than service. The culture shifts from protection to occupation. Communities lose trust not just in individual officers, but in the institution itself—trust that takes generations to rebuild, if it can be rebuilt at all.lucid.substack+3

We don’t need tactical expertise to recognize engineered cruelty. We just need to call it what it is.

States with Peer Support Shield Laws

Now that California has passed legislation making fire and law enforcement peer support “privileged” conversation (participants can’t be compelled to testify about them, with exceptions), there are at least 23 states that have such laws on the books. In 2017, the Utah Office of Legislative Research and General Counsel assembled a summary of the laws that were in place, showing 22 states, what’s covered and the exceptions. Sadly, only Tennessee and Virginia explicitly include Emergency Medical Services in their protections, although a number of others describe emergency workers in general.

Self-Care Resources

For a new resiliency training course this week, I have gathered up some resources.

Self-Assessment

Videos

Funny Stuff to Make a Point

Peer support act is dead (for now) in California Senate

AB 1116, which would have created privilege (legal confidentiality) for CISM and peer support, is dead for this session of the California legislature. However, it is expected to come back in the 2018 session.

Although the bill passed the Assembly and several Senate committees, no agreement had been reached on how to define the training standards required for CISM or peer support team members to be protected. The current version specifies that the state Office of Emergency Services (OES) would create a new class – and nobody in state emergency services (apparently including OES) thought that was a good idea. But there was not enough time in this legislative session to work out the definition, so the bill went to the inactive file.

Hopefully the relevant state agencies (corrections, CHP, CAL FIRE, OES) will work out a training requirements strategy before the bill comes around again, so that it can pass next year.

We should stop teaching “eustress and distress”

Stress management often teaches that there are two kinds of stress – distress, which is what we usually think of as stress, and “eustress” – stress that is good for you. The idea of eustress – the word itself – came from Hans Selye, a pioneer in understanding how our bodies respond to challenges. Selye was an endocrinologist, focusing on hormones and the systems that regulate them.

One of Selye’s great insights is that when we experience a change or other challenge, we will have a physical stress reaction, whether we see it as positive or negative. For example, graduation from high school or college – an event the graduate certainly considers positive – is stressful. And of course it is – a fresh graduate faces uncertainty about what will happen next. Their social support network, a key source of resiliency,  is disrupted as they lose touch with classmates.

Selye’s fundamental insight, that both positive and negative events are stressful, has been demonstrated to be true in many, many research projects. Cognitive neuroscience is unveiling more of the mechanisms and complexities of our physical and emotional responses to stress.

Talking about “distress” and “eustress” is confusing. Psychologists use them because in casual talk, ee use the word “stress” to refer to both the cause and our reaction. “Graduation is stressful” and “I’m stressed about graduation” are both reasonable sentences, but they are saying two different things. The first is about what happened, the second is the graduate’s reaction to it.

Let’s swap in the other words. “Graduation is distressing me” sounds reasonable, but means the same thing as “Graduation is stressing me.” Let’s try the other one. “Graduation is eustressing me” not only sounds awkward, it doesn’t make any sense, since “eustress” is about the graduate’s reaction.  The accurate way to use the word would be “I am having a eustressful reaction to graduation” – a sentence that could only be pleasing to a psychologist.

Using these words was been based on the belief that the difference between eustress and distress is the intensity of our reaction.  We taught people that too much stress is bad for their health, so we should reduce and avoid stress in order to avoid crossing the line from eustress into distress. Now we know that there is no such line.

In recent years, convincing evidence shows that our perception makes a big difference in how our body reacts to stress. If we see a threat, our bodies react in ways that probably will cause illness in the long run. If we see a challenge, stress becomes our friend, we perform better and don’t undergo the physical reactions that cause health problems.

Our perceptions of whether we are facing a threat or a challenge are influenced by how much social support we have. When we are alone, almost anything will look like a threat. Isolation is toxic to our health. Values and spiritual beliefs also make a difference in whether we perceive stressful occasions as threats or challenges.

Instead of talking about distress and eustress, we should be teaching people that they can handle enormous amounts of stress and thrive, then give them tools – attitudes and actions – that transform how they think and react to life’s challenges.

 

You cannot starve the evil wolf

Have you heard the Native American legend of the two wolves?

An old Cherokee is teaching his grandson about life. “A fight is going on inside me,” he said to the boy.

“It is a terrible fight and it is between two wolves. One is evil – he is anger, envy, sorrow, regret, greed, arrogance, self-pity, guilt, resentment, inferiority, lies, false pride, superiority, and ego.” He continued, “The other is good – he is joy, peace, love, hope, serenity, humility, kindness, benevolence, empathy, generosity, truth, compassion, and faith. The same fight is going on inside you – and inside every other person, too.”

The grandson thought about it for a minute and then asked his grandfather, “Which wolf will win?”

The old Cherokee simply replied, “The one you feed.”

As the legend says, you need to feed the good wolf. But just as important, it is impossible to starve the evil wolf. That’s why simplistic “stress reduction” usually fails. If you don’t also feed the good wolf, escaping and avoiding stress backfires and you actually end up feeding the evil wolf.

Plopping in front of the TV, mindlessly surfing the Internet, shopping for stuff you don’t need, avoiding decisions (“What do you want for dinner?” “Whatever.”) and other ways of emotionally checking out or withdrawing do not deactivate your fight-or-flight instinct. Fight-or-flight is the protective response from your nervous system and hormones, which can become stuck “on” when you have chronic or acute stress. When your fight-or-flight system stays activated through psychological flight, you may not even notice it any more, but your health is still at risk.

Fleeing, like fighting, backfires because it feeds the evil wolf. You won’t truly relax unless you feed the good wolf. In biological terms, if all you do is escape and withdraw, your sympathetic nervous system will remain aroused. That’s what leads to sleep problems, belly fat, heart disease, Type 2 diabetes, stroke and other health issues. When stress becomes a problem, you cannot directly turn down your sympathetic nervous system; you need to adopt attitudes and activities that turn up its counterpart, the parasympathetic nervous system –  nurturing the good wolf.

You feed the good wolf through attitudes and activities that grow connections with people, creation (including yourself) and your values. Social connections are a powerful way to feed your good wolf. A hike in nature or doing yoga feed him. Spiritual practices like meditation, worship and compassion also feed the good wolf. You don’t need to wait for somebody else’s help – the most powerful ways to feed the good wolf are through your own acts of generosity, kindness and trust. What you give away matters far more than what you receive. But don’t make the mistake of just getting away from the things that stress you. You cannot starve the evil wolf.

Stress advice (mostly bad) from business websites

I’m  developing workshops and seminars for public safety and business, related to my upcoming book. I’ve been struck by similarities in the stressors experienced by Silicon Valley entrepreneurs and public safety. The primary risk in any high-pressure career is that you lose your identity in your work, which can leave you disconnected from essential sources of resilience – your social support network (outward disconnection), yourself and creation (inward disconnection) and your values, ethics and spirituality (upward disconnection). The big difference is that in business the stress tends to be chronic, while public safety workers regularly face life-and-death acute stresses. In Silicon Valley business, people sometimes (often, in some companies) act as if their work is life-and-death!

I thought I’d take a look at what kind of advice businesses are getting about stress. I know there’s a lot of bad information out there.

First, let me tell you my point of view. “Stress reduction” is largely a myth – most of us have little power to remove the sources of stress in our lives (families and jobs are big stressors – get rid of them???). Advice about “fighting stress” or “combating stress” is even worse, since it treats stress as an enemy that must be defeated, activating the very neurophysiological systems that stress balancing will help calm down. The good news is that methods of balancing stressors, unlike trying to reduce or eradicate them, actually work, allowing us to take on enormous challenges without doing damage to our health.

Let’s see what the business publications have to say.

5 Tips for Coping With Stress at Work Starting First Thing in the Morning(Entrepreneur, 12/8/2014)

This article is in trouble and I haven’t even read past the headline. Although there are ways to balance work-related stress while you are at work, if your job is truly challenging, you don’t want to lower your performance by turning off the positive aspects of your stress response. They help you rise to the challenge. However, when you are done with the day’s duties, your body’s ability to leave them behind, to turn down the stress response, is critical. When that system stays “on duty,” health problems inevitably follow.

The Yahoo article suggest a “morning mantra” and “enter smiling,” which encourage positive thinking. Research does show that optimists cope with stress better… but studies also indicate that your optimism is largely a matter of genetics. It’s not clear that you can force yourself to become an optimist.

The article has a warning against coffee. It’s true that caffeine, like any other stimulant, will increase anxiety. But it is okay in moderation – a cup in the morning and another one when the afternoon sleepies hit won’t hurt. There’s also a recommendation here to have a “caffeine-free warm beverage that counteracts stress.” I’m not aware of any evidence to support this idea.

Finally, Yahoo says “Allow honesty.” Here, they’re onto something, suggesting that if you find yourself in a toxic situation, “extend compassion or remove yourself.” Self-compassion is the antidote to the perfectionism that pervades entrepreneurs and public safety workers – they are a lot alike in imposing unreasonable performance on themselves.

How Successful People Handle Stress (Forbes, 12/9/2014)

Travis Bradberry writes that “90% percent of top performers are skilled at managing their emotions in times of stress in order to remain calm and in control.”

Huh? Suppressing your emotions will not balance your stress one bit. In fact, holding onto unexpressed emotions is a stressor.

Moderate stress can be good for you, this article says, citing research at U.C. Berkeley. It’s only a problem when it is chronic and sustained. So we’re back to stress reduction. A list of techniques follows.

Learn to say no. I hear this advice quite a bit in the context of stress management. It raises the question of where the wisdom and strength to say “no” come from. We say “yes” too much because we want to be liked, or are stuck in perfectionism or ambition. Where’s the instruction manual for how to turn those personality traits down? Not here.

Avoid asking “what if?” Like the previous advice, this is missing the how-to information. The goal is wonderful – we absolutely need to stay present and grounded to be able to let go of the “what ifs.”

Disconnect. Take regular time off the grid. This is another item I see frequently. Turn off your cell phone and all the other electronics and take a break. However, disconnecting is emptiness unless you also choose what you will connect with instead – friends, yourself, causes bigger than yourself.

Sleep. Yes, yes, yes. Sleep and stress are deeply related. Disrupted sleep adds increases the hormone levels that you want to turn down when you don’t need their energy-giving effects. It aggravates post-traumatic stress But again where are the instructions? “You should sleep more” is impractical advice for the person who is so keyed up that they don’t want to or can’t get to sleep, or they keep waking up early. Luckily, the next bit of advice, Exercise, is one of the activities that can help with sleep. But there is much, much more.

Don’t Hold Grudges. “Learning to let go of a grudge will not only make you feel better now but it can improve your health.” Unfortunately, that sentence is the last one in this section. It needs to be the starting point for advice on how to let go of grudges and resentments. The best work I’ve ever seen on this subject is Frederic Luskin’s Forgive for Good. People who are holding onto grudges are doing so because they don’t know how to let go – telling them “Let go” is not a solution.

Don’t Die in the Fight. This has something to do with “unchecked emotions,” but how it relates to stress is a mystery.

Mindfulness. Yes, indeed, mindfulness is the latest name for practices that help us remain present and grounded. However, it is not, as this article claims, “an effective way to gain control of unruly thoughts and behaviors.” It is about accepting things we cannot control, not controlling them!

Squash Negative Self-Talk. Similar to the positive thinking above, this bit of counsel suggests that you just stop ruminating on negative things. Just stop it. The author suggests writing down the negative thoughts and examine them for truth, which seems to be a sort of self-guided cognitive behavior therapy. Okay, but the fact is, our brains sometimes ruminate for a good reason – trying to learn from experience. My preference is to remember that it is earning its paycheck, which helps me to accept and view rumination positively – and that helps me let go of it. The danger in labeling any stress reaction as “bad” is that it blocks us from having compassion for ourselves, which as I mentioned previously, is the antidote to poisonous perfectionism.

Those articles are typical, so here are a few other tidbits of terrible and so-so advice from the business press.

Mentally strong people are aware of their stressors, and “they’re aware of the warning signs that they’re becoming stressed out.” Because of their self-awareness, they are able to “adjust their activities and their lifestyle accordingly so they can combat stress effectively.”

“Combat stress effectively.” Shall we fight stress? Wrestle with it? Do battle? No!!!

Stress is not an enemy that threatens your health and well-being. This reminds me of President Merkin Muffley’s wonderfully ironic line in Stanley Kubrick’s film Dr. Strangelove, “Gentlemen, you can’t fight in here! This is the War Room!”

“One of the best ways to combat stress is to engage in leisure activities.” It can be anything — hanging with family, engaging in a hobby, watching TV. As long as it relaxes you and improves your mental state, it will be beneficial.

Not necessarily. Kevin Gilmartin, author of Emotional Survival for Law Enforcement, like other psychologists, recommends hobbies and engagement with family and friends – the kinds of activities that can become lost when the job takes over. But there is a huge difference between truly connecting with family and hobbies, versus “hanging out” or mindlessly watching TV. Gilmartin calls this using “The Magic Chair.” To someone watching, the person in the Magic Chair seems relaxed, but inside they are still vigilant for the dangers the workday held. Don’t confuse “checking out” (disengagement, withdrawal) with relaxation.

Balancing stress is not about physical relaxation, it is about maintaining caring and compassionate connections with yourself, others, nature and values. If you are disconnected from these, you will never really relax – that’s the way we are wired. If you do maintain these kinds of relationships, you won’t need any other advice about how to manage stress.

How Well Connected are Your Brain and Body?

Adapted from my upcoming book, Stress, Science, Spirit: Connecting Out, Up and In to Thrive Under Pressure.

Ever heard of Heart Rate Variability (HRV)? It measures how well synchronized your breathing and heart rate are – but it is also increasingly recognized as an index for how well you are handling physical and emotional stress.

Every time you exhale, your heart slows down a bit. That’s why breathing techniques for relaxation always instruct you to exhale slowly. The more it slows down, the higher your HRV is likely to be and the better you are coping with stress, numerous studies have found. High HRV is good, in other words.

HRV gives a snapshot into the activation level of your vagus nerve, which is the communications superhighway between your brain and your body.

Research shows that people with high HRV – their hearts speed up and slow down more, synchronized to their breathing – are more resilient, physically and emotionally. Since the vagus nerve influences many of our body’s automatic systems, low HRV is associated with a wide variety of issues – emotional struggles, antisocial behavior, inflammatory and cardiovascular diseases, poor fitness and others. People with low HRV are much more likely to die after a heart attack (Robert E. Kleiger, J.Philip Miller, Thomas Bigger Jr., & Arthur J. Moss, 1987; Thayer, Yamamoto, & Brosschot, 2018).

Although our HRV is determined by genetics and your life experiences, you can change it. Early studies of HRV biofeedback has shown promise for helping to heal a variety of illnesses and injuries:

  • Major depression (Karavidas, et al., 2007),
  • Brain injuries (Lagos, Thompson, & Vaschillo, 2013),
  • Cardiac rehabilitation (Climov, et al., 2014),
  • Addictions – including food (Eddie, C. Kim, Deneke, & Bates, 2014; Meule, Freund, Skirde, Vögele, & Kübler, 2012; Penzlin, et al., 2015),
  • PTSD (Reyes, 2014),
  • High blood pressure (Guiping Lin, 2012),
  • Hostility (Lin, et al., 2015),
  • Chronic pain (Melanie E. Berry, et al., 2014).

HRV biofeedback is also showing promise in life-enhancing uses, including:

  • Improving sports performance by reducing anxiety (Paul & Garg, 2016),
  • Preparing military for combat deployment (Lewis, et al., 2015),
  • Grandmothers raising grandchildren (Zauszniewski, Au, & Musil, 2013),
  • Accelerated learning (Harmelink, 2016).

What do all of these have in common? They are interconnected via your “rest and digest” system (the parasympathetic nervous system). Central to it, the vagus (“wandering”) nerve connects the brain, gut (intestines, stomach), heart, liver, pancreas, gallbladder, kidney, ureter, spleen, lungs, fertility organs (in women), voice, ears and tongue.

High HRV indicates that your brain has greater control over the fight-or-flight system, so you are better able – consciously and unconsciously – to turn it down when danger passes.

Imagine that your body is a fire engine speeding down the road “Code 3” – siren screaming and lights flashing. The fire is out and the emergency is over, but you’re not the driver – you are in a back seat repeating to the driver over the intercom, “Slow down, slow down.” The driver will only ease off the gas and hit the brakes when she can hear your instructions.

“You” are your brain, the driver is your flight-or-flight system, the intercom is your vagus nerve and the speed at which your “slow down” messages are actually reaching the driver is your HRV.

If you are saying “slow down” 20 times a minute, but the driver only hears it five times, that’s low HRV. Your brain isn’t well connected to your body. As a result, neither your conscious mind nor your automatic nervous systems have much control, so the fire truck continues to barrel down the road as if there is still a crisis. In contrast, if most of your messages get through, the driver eases off the gas and the wear and tear on your body is reduced.

The usual goal of “stress management” would be to reduce the stressors, which would be like parking the fire engine – stop responding. Avoid “fires.” But how do you do that if it’s your job?

Instead, you can restore balance through activities and attitudes that help make the “intercom” between your brain and body work better, which will show up as increased HRV. Good news: the vagus nerve is two-way communications, so if you improve your HRV, you will help the back-seat driver’s messages get through.

You can improve your HRV directly through biofeedback, breathing exercises and other relaxation techniques. Even more significantly, your HRV will also reflect the strength of your social support, which is crucial to resistance and resilience to stress. A host of other activities will activate your vagus nerve, which has cascading effects that tell the fire engine (the fight-or-flight instinct) to slow down. Researchers have observed that this happens with yoga, meditation, gratitude, prayer, generosity, trusting and trustworthiness, compassion (for yourself and others), hugging a friend and even having a good cry.  These are the “connecting out (to people), in (to yourself and creation, being grounded) and up (values, ethics, spirituality) that Stress, Spirit, Science will describe in stories and practical advice.

Bibliography

Berry, M., Chapple, I. T., Ginsberg, D., Gleichauf, J., & Nagpal, M. (2014). Non-pharmacological Intervention for Chronic Pain in Veterans: A Pilot Study of Heart Rate Variability Biofeedback. Global Advances in Health and Medicine, 3(2), 28–33. http://doi.org/10.7453/gahmj.2013.075

Climov, D., Lysy, C., Berteau, S., Dutrannois, J., Dereppe, H., Brohet, C., & Melin, J. (2014). Biofeedback on heart rate variability in cardiac rehabilitation: practical feasibility and psycho-physiological effects. Acta Cardiologica, 69(3), 299–307. http://europepmc.org/abstract/med/25029875

Eddie, D., Kim, C., Lehrer, P., Deneke, E., & Bates, M. E. (2014). A Pilot Study of Brief Heart Rate Variability Biofeedback to Reduce Craving in Young Adult Men Receiving Inpatient Treatment for Substance Use Disorders. Applied Psychophysiology and Biofeedback, 39(3–4), 181–192. http://doi.org/10.1007/s10484-014-9251-z

Harmelink, A. (2016). Pilot Study of the Effects of Heart Rate Variability Biofeedback on Perceived Stress, Perceived Coping Ability, and Resilience in Accelerated Baccalaureate Nursing Students. Theses and Dissertations. Retrieved from http://openprairie.sdstate.edu/etd/1015

Karavidas, M. K., Lehrer, P. M., Vaschillo, E., Vaschillo, B., Marin, H., Buyske, S., … Hassett, A. (2007). Preliminary Results of an Open Label Study of Heart Rate Variability Biofeedback for the Treatment of Major Depression. Applied Psychophysiology and Biofeedback, 32(1), 19–30. http://doi.org/10.1007/s10484-006-9029-z

Lagos, L., Thompson, J., & Vaschillo, E. (2013). A Preliminary Study: Heart Rate Variability Biofeedback for Treatment of Postconcussion Syndrome. Biofeedback, 41(3), 136–143. http://doi.org/10.5298/1081-5937-41.3.02

Lewis, G. F., Hourani, L., Tueller, S., Kizakevich, P., Bryant, S., Weimer, B., & Strange, L. (2015). Relaxation training assisted by heart rate variability biofeedback: Implication for a military predeployment stress inoculation protocol. Psychophysiology, 52(9), 1167–1174. http://doi.org/10.1111/psyp.12455

Lin, G., Xiang, Q., Fu, X., Wang, S., Wang, S., Chen, S., … Wang, T. (2012). Heart Rate Variability Biofeedback Decreases Blood Pressure in Prehypertensive Subjects by Improving Autonomic Function and Baroreflex. The Journal of Alternative and Complementary Medicine, 18(2), 143–152. http://doi.org/10.1089/acm.2010.0607

Lin, I.-M., Fan, S.-Y., Lu, H.-C., Lin, T.-H., Chu, C.-S., Kuo, H.-F., … Lu, Y.-H. (2015). Randomized controlled trial of heart rate variability biofeedback in cardiac autonomic and hostility among patients with coronary artery disease. Behaviour Research and Therapy, 70, 38–46. http://doi.org/10.1016/j.brat.2015.05.001

Meule, A., Freund, R., Skirde, A. K., Vögele, C., & Kübler, A. (2012). Heart Rate Variability Biofeedback Reduces Food Cravings in High Food Cravers. Applied Psychophysiology and Biofeedback, 37(4), 241–251. http://doi.org/10.1007/s10484-012-9197-y

Paul, M., & Garg, K. (2012). The Effect of Heart Rate Variability Biofeedback on Performance Psychology of Basketball Players. Applied Psychophysiology and Biofeedback, 37(2), 131–144. http://doi.org/10.1007/s10484-012-9185-2

Penzlin, A. I., Siepmann, T., Illigens, B. M.-W., Weidner, K., & Siepmann, M. (2015). Heart rate variability biofeedback in patients with alcohol dependence: a randomized controlled study. Neuropsychiatric Disease and Treatment, 11, 2619–2627. http://doi.org/10.2147/NDT.S84798

Reyes, F. J. (2014). Implementing Heart Rate Variability Biofeedback Groups for Veterans with Posttraumatic Stress Disorder. Biofeedback, 42(4), 137–142. http://doi.org/10.5298/1081-5937-42.4.02

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