PSY 3109 Lecture Notes - Lecture 3: Jerome Kagan, Amygdala, Thalamus
6 Oct 2016
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L e c t u r e 3 : a r o u s a l. T h u r s d a y , s e p t e m b e r 2 2 , 2 0 1 6. There are two arousal systems corresponding to brain and body. Understanding how they operate can help you adapt to your environment. Reticular activating system: arouses the brain: autonomic nervous system: arouses the body. Sympathetic nervous system comes into play, increases your breathing, use energy in the body to deal with stressors (e. g. need more oxygen your senses get heightened) Can have high levels of cortical arousal but lower levels of physiological arousal (e. g. important for writing an exam; if your physiological arousal is too high during an exam, then you get anxious and your breathing is too fast) Sometimes high levels of physiological arousal (e. g. a routine exercise) but low level cortical arousal (zoning out)
