Book References

Peter Gruenewald, The Quiet Heart: Putting Stress in Its Place (Edinburgh: Floris Books, 2007).

Angela Duckworth. TED Talk. Grit: The Power of passion and perseverance.

Mihaly Csíkszentmihályi, “Flow and the Foundations of Positive Psychology: The Collected Works of Mihaly Csikszentmihalyi. Springer, New York (8 Aug. 2014)

Mihaly Csíkszentmihályi, Flow: The Psychology of Happiness, New Ed. (Ebury Digital, 2013), London, Kindle.

Martin Seligman, The Hope Circuit: A Psychologist's Journey from Helplessness to Optimism (London: Nicholas Brealey, 2018).

Martin Seligman, Learned Optimism: How to Change Your Mind and Your Life (London: Nicholas Brealey, 2018).

Martin Seligman, Flourish: A New Understanding of Happiness and Well-Being—and How to Achieve Them (London: Nicholas Brealey, 2011), Kindle.

Daniel Goleman, Emotional Intelligence. Why It Can Matter More Than IQ (London: Bloomsbury, 2009).

Chrisanthy Vlachakis et al., “Human Emotions on the Onset of Cardiovascular and Small Vessel Related Diseases,” In Vivo 32, no. 4 (July/August 2018): 859–70.

Ed Diener and Micaela Y. Chan. “Happy People Live Longer: Subjective Well‐Being Contributes to Health and Longevity.” Applied Psychology: Health and Well-Being 3, no. 1 (March 2011): 1–43,

American Psychological Association, “The Road to Resilience,”, 2014,

Brian Chin et al., “Marital status as a predictor of diurnal salivary cortisol levels and slopes in a community sample of healthy adults,”Psychoneuroendocrinology 78 (April 2017): 68–75,

Jerry Suls and James Bunde, “Anger, Anxiety, and Depression as Risk Factors for Cardiovascular Disease: The Problems and Implications of Overlapping Affective Dispositions,” Psychological Bulletin 131, no. 2 (March 2005): 260–300,

Michele M. Tugade and Barbara L. Fredrickson, “Resilient Individuals Use Positive Emotions to Bounce Back From Negative Emotional Experiences,” Journal of Personality and Social Psychology 86, no. 2 (February 2004): 320–33,

Paul M. Lehrer and Richard Gevirtz, “Heart Rate Variability Biofeedback: How and Why Does It Work?” Frontiers in Psychology 5 (July 2014): 1–9,

Paul M. Lehrer et al., “Resonant Frequency Biofeedback Training to Increase Cardiac Variability: Rationale and Manual for Training,” Applied Psychophysiology and Biofeedback 25, no. 3 (October 2000): 177–189,

Bradley M. Appelhans and Linda J. Luecken, “Heart Rate Variability as an Index of Regulated Emotional Responding,” Review of General Psychology 10, no. 3 (September 2006): 229–40,

Raymond Trevor Bradley et al., “Emotion Self-Regulation, Psychophysiological Coherence, and Test Anxiety: Results from an Experiment Using Electrophysiological Measures,” Applied Psychophysiology and Biofeedback 35, no. 4 (December 2010): 261–83,

Maria Katsamanis Karavidas et al. “Preliminary Results of an Open Label Study of Heart Rate Variability Biofeedback for the Treatment of Major Depression,” Applied Psychophysiology and Biofeedback 32, no. 1 (March 2007): 19–30,

Auditya Purwandini Sutarto et al., “Resonant Breathing Biofeedback Training for Stress Reduction Among Manufacturing Operators,” International Journal of Occupational Safety and Ergonomics 18, no. 4 (January 2012): 549–61,

Gregg Henriques et al., “Exploring the Effectiveness of a Computer-Based Heart Rate Variability Biofeedback Program in Reducing Anxiety in College Students,” Applied Psychophysiology and Biofeedback 36, no. 2 (June 2011): 101–12,

Richard P. Brown et al., “Breathing Practices for Treatment of Psychiatric and Stress-Related Medical Conditions,” Psychiatric Clinics of North America 36, no. 1 (March 2013): 121–140,

Rollin McCraty et al., “The Impact of a New Emotional Self-Management Program on Stress, Emotions, Heart Rate Variability, DHEA, and Cortisol,” Integrative Physiological and Behavioral Sciences 33, no. 2 (April 1998): 151–70,

Mike J. Gross et al., “Abbreviated Resonant Frequency Training to Augment Heart Rate Variability and Enhance On-Demand Emotional Regulation in Elite Sport Support Staff,” Applied Psychophysiology and Biofeedback 41, no. 3 (September 2016): 263–74,

Auditya Purwandini Sutarto et al., “Heart Rate Variability (HRV) Biofeedback: A New Training Approach for Operator’s Performance Enhancement,”Journal of Industrial Engineering and Management 3, no. 1 (June 2010): 176–98,

Terri L. Zucker et al., “The Effects of Respiratory Sinus Arrhythmia Biofeedback on Heart Rate Variability and Posttraumatic Stress Disorder Symptoms: A Pilot Study,” Applied Psychophysiology and Biofeedback 34, no. 2 (June 2009): 135–43,

Kennon M. Sheldon and Sonja Lyubomirsky, “How to Increase and Sustain Positive Emotion: The Effects of Expressing Gratitude and Visualizing Best Possible Selves,” Journal of Positive Psychology 1, no. 2 (2006): 73–82,

Robert Emmons and Michael E. McCullough, “Counting Blessings Versus Burdens: An Experimental Investigation of Gratitude and Subjective Well-Being,” Journal of Personality and Social Psychology 84, no. 2 (February 2003): 377–89,

Jeffrey J. Froh et al., “Counting Blessings in Early Adolescents: An Experimental Study of Gratitude and Subjective Well-Being,” Journal of School Psychology 46, no. 2 (April 2008): 213–33,

Jeffrey J. Froh et al., “Gratitude in Children and Adolescents: Development, Assessment, and School-Based Intervention (2007),” School Psychology Forum 2, no. 1 (Fall 2007).

For more about the benefits of exercising gratitude, see Kori D. Miller, “14 Health Benefits of Practicing Gratitude According to Science,”, May 20, 2020, https://positivepsychology
; Alice M. Isen et al., “The Influence of Positive Affect on Clinical Problem Solving,” Medical Decision Making 11, no. 3 (July/September 1991): 221–7,
; Alice M. Isen et al., “Positive Affect Facilitates Creative Problem Solving,” Journal of Personality and Social Psychology 52, no. 6 (June 1987): 1122–31,
; and F. Gregory Ashby et al., “A Neuropsychological Theory of Positive Affect and Its Influence on Cognition,” Psychological Review 106, no. 3 (July 1999): 529–50,

Hildur Finnbogadóttir and Dorthe Berntsen, “Looking at Life from Different Angles: Observer Perspective during Remembering and Imagining Distinct Emotional Events,” Psychology of Consciousness: Theory, Research, and Practice 1, no. 4 (2014): 387–406,

See Melanie Gregg et al., “The Imagery Ability, Imagery Use, and Performance Relationship,” The Sport Psychologist 19, no. 1 (2005): 93–99,
; and David Eldred-Evans et al., “Using the Mind as a Simulator: A Randomized Controlled Trial of Mental Training,” Journal of Surgical Education 70, no. 4 (July/August 2013): 544–51,

Shad Helmstetter: “What to say when you talk to yourself,” Park Avenue Press (2011)

Mai-Chuan Wang et al., “Purpose in Life and Reasons for Living as Mediators of the Relationship between Stress, Coping, and Suicidal Behavior,” Journal of Positive Psychology 2, no. 3 (June 2007): 195–204,

Sven Asmus et al., “The Impact of Goal-Setting on Worker Performance—Empirical Evidence from a Real-Effort Production Experiment,” Procedia CIRP 26, (2015): 127–32,

P. Christopher Earley et al., “Task Planning and Energy Expended: Exploration of How Goals Influence Performance,” Journal of Applied Psychology72, no. 1 (1987): 107–14,

On the effectiveness of self-talk, see Antonis Hatzigeorgiadis et al., “Mechanisms Underlying the Self-Talk–Performance Relationship: The Effects of Motivational Self-Talk on Self-Confidence and Anxiety,” Psychology of Sport and Exercise 10, no. 1 (2009): 186–92,; Chris P. Neck and Charles C. Manz, “Thought Self‐Leadership: The Influence of Self‐Talk and Mental Imagery on Performance,” Journal of Organizational Behavior 13 (1992): 681–99,
; and David Tod et al., “Effects of Self-Talk: A Systematic Review,” Journal of Sport and Exercise Psychology 33, no. 5 (October 2011): 666–87,

Genevive R. Meredith et al. Minimum Time Dose in Nature to Positively Impact the Mental Health of College-Aged Students, and How to Measure It: A Scoping Review. Front. Psychol., 14 January 2020

Richard Louv, Last Child in the Woods: Saving Our Children from Nature-Deficit Disorder (London: Atlantic Books, 2013).

On the benefits of time in nature for mental health, see Mardie Townsend and Rona Weerasuriya, Beyond Blue to Green: The Benefits of Contact with Nature for Mental Health and Well-Being (Melbourne, Australia: Beyond Blue Limited, 2010); and Diana E. Bowler et al., “A Systematic Review of Evidence for the Added Benefits to Health of Exposure to Natural Environments,” BMC Public Health 10 (August 2010): 456,

Rudolf Steiner. Goethean Science (Liverpool: Mercury Press, 1988).

Shinya Kubota et al., “A Study of the Effects of Active Listening on Listening Attitudes of Middle Managers,” Journal of Occupational Health 46, no. 1 (February 2004): 60–7,

Lynn Kacperck, “Non-Verbal Communication: The Importance of Listening,” British Journal of Nursing 6, no. 5 (December 2014): 27,

Nancy Kline, Time to Think: Listening to Ignite the Human Mind (London: Cassell, 2002). The power of effective listening is recognized as the essential tool of good management.

Carl Rogers, Client Centred Therapy: Its Current Practice, Implications and Theory (London: Robinson, 2003).

Sachiko Mineyama et al., "Supervisors' Attitudes and Skills for Active Listening with Regard to Working Conditions and Psychological Stress Reactions among Subordinate Workers,” Journal of Occupational Health 49 (2007) 1.

Otto Scharmer and Katrin Kaufer, Leading from the Emerging Future: From Ego-System to Eco-System