biological psychology 2 (6)

what is emotions?

Automatic, unconscious response to significant stimuli

what is feeling?

conscious perception of an emotions

what triggers emotions?

Important (positive/negative) stimuli

what do emotions cause?

Brain+body response (central & peripheral)

james-lange theory?

stimulus→bodily response→feeling

Cannon-Bard theory?

Stimulus→emotion+bodily response at the same time

James-lange vs Cannon-bard?

James-lange→body first

Cannon-Bard→parallel

What did James Papez propose?

Emotional circuit (limbic system)

Main Idea of Paul MacLean

Limbic system = emotional brain (partly incorrect but still important)

Singer-Schachter theory?

Emotion=bodily state + cognitive interpretation

Role of amygdala?

Fear learning and emotional processing

what is fear conditioning?

Neutral stimulus→paired with pain→fear response

key behavior of fear?

freezing

Lawrence Weiskrantz key finding?

amygdala necessary for fear learning

Kluver-Bucy syndrome symptoms?

no fear, hypersexuality, hyperorality, emotional flattening

caused by damage temporal lobes (including the amygdala)

many emotions change, not just fear

Urbach-Wiethe disease?

a genetic disease that can destroy the amygdala

loss of fear

what system produces reward/pleasure and what the key area?

reward system

Ventral tegmental area (dopamine)

two dimensions of emotion?

Valence (positive/negative)

arousal (intensity)

6 basic emotions by Paul Ekman?

Joy, sadness, fear, anger, surprise, disgust

problem with basic emotions theory?

Cultural bias+forced choices

is there one brain area per emotion?

No→dustributed networks

what is constructed emotional theory?

emotions are built by the brain in the moment