Office of
Dr. Kimberly Griggs,
PSYD, LMFT
Committed and Determined
Impact
Measuring Success Through Our Achievements
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Brain ↔ nervous system: The brain communicates with the body through the autonomic nervous system. Stress or fear can activate the sympathetic nervous system, increasing heart rate, breathing, muscle tension, and alertness
Brain and the Nervous System
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Emotions ↔ physical sensations: Anxiety may cause a racing heart or stomach discomfort, while sadness can be associated with fatigue and changes in appetite.
Emotions and Physical Sensations
Brain ↔ hormones: The hypothalamic–pituitary–adrenal (HPA) axis responds to psychological stress by releasing hormones such as cortisol. Short-term activation can help you cope with challenges; prolonged activation can affect sleep, metabolism, immune function, and other systems
Brain and your Hormones Under Stress
