Articles from

Glyn Blackett □ Stress Management & Biohacking Coach

Articles on Biofeedback, Neurofeedback & Biohacking

This collection of articles from explore themes relating to stress & anxiety management and optimal brain performance, including biofeedback, neurofeedback, biohacking, mindfulness and positive psychology coaching.

PART 1: General Articles

Please use the numbered links below the list to page to more articles.

What Is Positive Psychology & How Can It Help Stress & Anxiety?

Positive psychology is the science of wellbeing, happiness and optimal functioning. It studies the conditions needed for humans to flourish and thrive rather than simply avoid suffering. Positive psychology coaching helps identify personal goals and develops skills and resources.

Optimal Breathing Training With Biofeedback

Dysregulated breathing can be a cause of problems such as stress, anxiety, panic, irritability, fatigue and brain fog. Optimal breathing can be a platform for clear focus and emotional wellbeing. This article explains why breathing is so important in stress management.

HRV or Heart Coherence Biofeedback For Stress & Anxiety

Training heart coherence with HRV biofeedback can benefit physical health (e.g. IBS) emotional wellbeing and cognitive performance (e.g. focus, concentration). This article defines HRV heart coherence, and explains how HRV biofeedback can benefit stress, anxiety, focus, etc.

Capnometry or Capnography Biofeedback For Stress, Anxiety and Emotional Resilience

Capnometry measures carbon dioxide in exhaled air and is the best way to detect over-breathing or hyperventilation. Over-breathing significantly impairs brain performance. Training breathing with capnometry biofeedback can help develop emotional resilience, focus and clarity.

EMG or Muscle Tension Biofeedback For Stress, Anxiety & Mindfulness Support

EMG is a measure of muscle tension and EMG biofeedback can help stress and anxiety management. This article explains how.


Use the above page links to see more articles, or see a list of all articles

PART 2: Blog Articles

Please use the numbered links below the list to page to more blog articles.

How To Rate Your Progress In Stress Management

Publication date: 05/07/2017

A common goal in stress management is to reduce stressful emotions such as anxiety and anger, but you need to be able to discern even small changes. In this article I suggest different aspects of stressful emotions to be aware of.

The Man Who Couldn't Feel Anxious

Publication date: 18/06/2017

Is anxiety a brain-based or body-based experience? A recent BBC documentary sheds some interesting light on this question.

Four Fundamental Constituents Of Well-being According To Professor Richie Davidson

Publication date: 02/06/2017

Richie Davidson, a leading neuroscience, and has identified four key constituents of wellbeing that can be trained leading to his important conclusion: wellbeing is a skill

How To Stop Falling Asleep in Meditation - Experimenting With The Inhalation To Exhalation Ratio

Publication date: 19/05/2017

I describe an experiment on myself - what happens to skin conductance (GSR) when I shift my breathing to a high inhalation to exhalation ratio?

Are Panic Attacks Really Out Of The Blue? Predictive Biomarkers Of Panic

Publication date: 15/05/2017

Do panic attacks really come out of the blue? Evidence suggests there are physiological warning signs up to 45 minutes in advance.

How Stress Affects Gut Function & General Health

Publication date: 10/05/2017

75% or more GP visits are stress related. This article explains how stress affects gut function and from there, health and well-being in general

How Long Should You Practise Mindfulness Meditation?

Publication date: 09/05/2017

In this article I show a graph of EMG or muscle tension, which dropped steadily over at least 20 minutes of a mindfulness meditation practice. I explain how muscle tension biofeedback supported the practice.

Can You Intentionally Activate The Sympathetic Nervous System With Breathing Techniques (Without Over-breathing)

Publication date: 28/04/2017

I tried a home experiment to see the effect of shifting my inhalation to exhalation ratio on autonomic balance as measured using HRV - this article describes the results.

Does Over-breathing Or Hyperventilation Cause Sympathetic Nervous System Activation?

Publication date: 26/04/2017

Wim Hof aka the ice man achieves amazing feats using a breathing technique involving deliberate hyperventilation - this article looks at how it works and the implications for anxiety management

Change Your Body, Change Your Emotions - How Some Physical Stimuli Can Influence Your Emotions

Publication date: 23/04/2017

Research findings that adjusting body physiology can affect emotions and mood, and how to take advantage of this using biofeedback


Use the above page links to see more articles, or see a list of all blog articles

PART 3: Older PDF Articles

Electroencephalography (EEG) & Neurofeedback - an introduction to EEG, what it is and its significance in neurofeedback and therapy.

Hemoencephalography (HEG) - a New Form of Neurofeedback - an introduction to HEG, how it works and some of its applications.

Eight Keys to Weight Loss

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free breathing for stress relief video course
  • Stress relief
  • Emotional well-being
  • Optimal brain performance

A series of 5 short videos by email


Mind-Body Intelligence

How To Manage Your Mind With Biofeedback & Mindfulness

Book by Glyn Blackett

mind body intelligence book cover
  • Underlying dynamics in stress & anxiety
  • Science of the mind-body connection & how it can be applied
  • Why breathing is at the heart of stress management
  • Practical models for framing self-control challenges & solutions
client testimonial

"Working with biofeedback has helped me dramatically reduce the severity of mood swings, and to achieve real improvements in both my work and family life."

- Colin, Manager

Read more testimonials here