Search Results - "Shaffer, Fred"

Depression.

Authors: Meehan, Zachary M. Shaffer, Fred Zerr, Christopher L.

Source: Biofeedback. Summer2022, Vol. 50 Issue 2, p34-50. 17p.

Do Longer Exhalations Increase HRV During Slow-Paced Breathing?

Authors: Meehan, Zachary M. Shaffer, Fred

Source: Applied Psychophysiology & Biofeedback. Sep2024, Vol. 49 Issue 3, p407-417.

Adding Core Muscle Contraction to Wrist-Ankle Rhythmical Skeletal Muscle Tension Increases Respiratory Sinus Arrhythmia and Low-Frequency Power.

Authors: Meehan, Zachary M. Shaffer, Fred

Source: Applied Psychophysiology & Biofeedback. Mar2023, Vol. 48 Issue 1, p127-134.

Review of I. Z. Khazan (2019), Biofeedback and Mindfulness in Everyday Life: Practical Solutions for Improving Your Health and Performance. W. W. Norton and Company.

Authors: Shaffer, Fred Bruce Moss, Donald

Source: Applied Psychophysiology & Biofeedback. Dec2022, Vol. 47 Issue 4, p357-360.

SPECIAL ISSUE: Immune Function – Level 3 – Probably Efficacious.

Authors: Shaffer, Fred¹ (AUTHOR) fredricshaffer@gmail.com

Source: Biofeedback. Fall2023, Vol. 51 Issue 3, p68-73. 6p.

An Undergraduate Program with Heart: Thirty Years of Truman HRV Research.

Authors: Shaffer, Fred Meehan, Zachary M.

Source: Applied Psychophysiology & Biofeedback. Dec2022, Vol. 47 Issue 4, p317-326.

Rhythmic Skeletal Muscle Tension Increases Heart Rate Variability at 1 and 6 Contractions Per Minute.

Authors: Shaffer, Fred Moss, Donald Meehan, Zachary M.

Source: Applied Psychophysiology & Biofeedback. Sep2022, Vol. 47 Issue 3, p183-192.

SPECIAL ISSUE: Improve Client Care by Dispelling HRV Myths.

Authors: Shaffer, Fred Meehan, Zachary

Source: Biofeedback. Summer2024, Vol. 52 Issue 2, p29-42. 14p.

SPECIAL ISSUE: Slow-Paced Contraction: An Evidence-Based Method for Increasing Heart Rate Variability.

Authors: Shaffer, Fred Meehan, Zachary M.

Source: Biofeedback. Spring2024, Vol. 52 Issue 1, p11-17. 7p.

Garbage In; Garbage Out--Identify Blood Volume Pulse (BVP) Artifacts Before Analyzing and Interpreting BVP, Blood Volume Pulse Amplitude, and Heart Rate/Respiratory Sinus Arrhythmia Data.

Authors: Peper, Erik Shaffer, Fred Lin, I-Mel

Source: Biofeedback. Spring2010, Vol. 38 Issue 1, p19-23. 5p.

What Nonprofit Board Members Don’t Know Can Hurt Them (and Their Organizations).

Authors: Shaffer, Fred¹ fshaffer@truman.edu

Source: Biofeedback. Summer2014, Vol. 42 Issue 2, p39-41. 3p.

What BCIA Learned from Bob Dylan.

Authors: Crawford, Judy Shaffer, Fred

Source: Biofeedback. Spring2014, Vol. 42 Issue 1, p9-11. 3p.

Mentoring: What Is It All About Anyway?

Authors: Shaffer, Fred Crawford, Judy Moss, Donald

Source: Biofeedback. Fall2012, Vol. 40 Issue 3, p99-101. 3p.

A MULTIDIMENSIONAL PATH ANALYSIS OF STRESSRELIEF FITNESS EXERCISE INTERVENTIONS ON COLLEGE STUDENTS’ DEPRESSION BASED ON SEM.

Authors: JIN-ZE, JIANG HUA-LING, ZHENG HUANG-XIA et al.

Source: TPM: Testing, Psychometrics, Methodology in Applied Psychology. 2025 Supplement, Vol. 32, p1239-1255. 17p.

Sedentary behaviour in college students and its influence on heart rate and mental health.

Authors: Magallón, Javier Catalán, Pilar

Source: European Journal of Human Movement. 2024, Vol. 52, p104-113.

Biofeedback History: An Alternative View.

Authors: Peper, Erik Shaffer, Fred

Source: Biofeedback. Winter2018, Vol. 46 Issue 4, p80-85. 6p.

ASSESSING THE EFFECT OF HYPERBARIC OXYGEN THERAPY ON HEART RATE AND BLOOD PRESSURE.

Authors: Fatoni, Patmah Milenia Gusti, Ainun Ni'mah Kusumawati, Lucia et al.

Source: Interdisciplinary Journal of Advanced Research & Innovation. 2025, Vol. 3 Issue 1, p14-25. 12p.

Don’t Add or Miss a Beat: A Guide to Cleaner Heart Rate Variability Recordings.

Authors: Shaffer, Fred Combatalade, Didier C.

Source: Biofeedback. Fall2013, Vol. 41 Issue 3, p121-130. 10p.

Heart Rate Variability Anatomy and Physiology.

Authors: Shaffer, Fred Venner, John

Source: Biofeedback. Spring2013, Vol. 41 Issue 1, p13-25. 13p.

Biofeedback History: An Alternative View.

Authors: Peper, Erik Shaffer, Fred

Source: Biofeedback. Winter2010, Vol. 38 Issue 4, p142-147. 6p.