Fear and Stres1

Fear and Stres1 - Fear and Stress The Facial Signals...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Fear and Stress The Facial Signals Humans-species-specific Controlled by central gray via the facial nucleus and 7 th cranial nerve Blushing is sympathetic response-pathological treating by cutting nerves from superior cervical ganglion Someone with a problem has less flow to occitotemporal area-visual association Human Amygdala responds a lot to whites of eyes-more to fear ANS Sympathetic-fight or flight Parasympathetic-rest or digest Balance determines physiological state SNS aggression displays same as for fear, heightens senses and norandrenergic receptors Smart Vagus Model Primitive-causes freezing in danger, Reptilian-may cause fight or flight instead, Mammals-add fast component modulates heart rate in social behavior Emotions are regulated in cortex-to sensory cortex-high road, to amygdala-low road Limbic System and Fear Hippocampus projects from fornix to septal area and hypothalamus Amygdala projects via stria terminalis to septal area and hypothalamus Frontal lobes-anterior cingulated and amygdale...
View Full Document

Page1 / 3

Fear and Stres1 - Fear and Stress The Facial Signals...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online