Tag Archives: Hormones

Circadian Rhythms and Stem Cell Chronobiology

Circadian rhythms are biological temporal patterns that oscillate in a 24-hour time cycle. Many physiological processes and behavioral variations are controlled by the rhythms, such as the daily sleep-waking cycle. The secretions of hormones and cytokines such as melatonin and … Continue reading

Posted in Chronobiology | Tagged , , , , , , , , , , | Leave a comment

Stress Responses and Meditation

The fight-or-flight reaction is the body’s response to mental stress including job deadlines and major life changes. During this response, the stress hormones including adrenaline and cortisol are produced to promote your response capability. Your heart rate is faster to … Continue reading

Posted in Meditation, Mindfulness, Stress | Tagged , , , , , , , , , , , , , , , | Leave a comment

Meditation for Stress Reduction and Healing Diseases

Although stress response is an adaptive reaction, long-term and chronic stress is harmful to health. Different people may have different symptoms and signs caused by stress. Adrenal glands are usually involved in stress responses and generate hormones including adrenaline and … Continue reading

Posted in Meditation, Mind-Body, Stress | Tagged , , , , , , , , , , , , , , , , , , , | Leave a comment

Motivation: A Summary of Theories, Concepts, and Substances

Motivation: A Summary of Theories, Concepts, and Substances   Theories Concepts/Structures Substances/Features Features Instinct theory Unconsciously motivated behaviors (Freud)     Drive theory Drive-reduction/homeostatic theory Optimum arousal Yerkes-Dodson law/Inverted-U Hypothesis Incentive theory Operant conditioning     Overjustification effect Motivation is … Continue reading

Posted in Psychology | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

The Endocrine System: Hormone Categories

The Endocrine System: Hormone Categories   Hormones Category Functions Examples Steroids From cholesterol Growth, sexual, reproductive functions; tissue healing Muscle-building drugs Peptides Hormones Generation of other hormones Oxytocin Amino acids Organic compounds   Adrenaline   Endocrine Glands and Hormones   … Continue reading

Posted in Endocrine System | Tagged , , , , , , , | Leave a comment