emotion and stress

what is cognition?

mental processing -thinking, reasoning, interpreting

what is emotion?

physiological, subjective and behavioural responses to stimuli

what is the key distinction?

cognition-thinking

emotion- feeling and body response

what are the six basic emotions

happiness

fear

anger

surprise

disgust

sadness

why are they important?

universal across cultures

what did Darwin propose?

emotional expressions evolved because they aid survival

what is the principle of antithesis?

opposite emotions produce opposite expressions

example of survival advantage

fear expression warns off danger

what are the two systems in the automatic nervous system?

sympathetic and parasympathetic

what is the key idea?

they balance each other to maintain homeostasis

sequence of folk psychology

stimulus- emotion-arousal

what is the sequence of the James Lange Theory?

stimulus-arousal-emotion

key idea

we feel emotion because of bodily changes

sequence of Cannon-Bard theory

stimulus-emotion+arousal-same time

what challenges Jamie Lange?

similar physiological responses across emotions

what supports it?

bodily feedback influences emotion

Schachter-Singer theory-what was added?

cognitive interpretation of arousal

what was the sequence?

stimulus- arousal- cognitive label-emotion

limbic system-what is the Paper circuit?

early model of emotional processing

what did MacLan add?

expanded into the limbic system - eg- amygdala

What did Morris et al study she about the amygdala and fear?

amygdala responds to fearful stimuli even without conscious awareness

why is this important?

shows fast, automatic fear processing

what is the structure of the autonomic nervous system?

central control-brain, spinal cord

peripheral nerves- organs

what are the three stages of general adaptation syndrome?

1-alarm- fight or flight

2-resistance

3-exhaustion

what is allostatic load?

wear and tear on body from chronic stress

what is the role of the hypothalamus in stress situation

triggers hormone cascade0adrenaline and cortisol

why is this important?

controls fight or flight response

effects f stress

short-term-boosts immunity

long term-weakens immunity

what is classical conditioning?

learning via association between stimuli

what are the two pathways in Ledoux’s pathways?

low road- fast, unconscious -thalamus and amygdala

high road- slow, conscious- cortex

what structures are key for fear?

amygdala

what structures are key for context conditioning?

hippocampus

what structure is key for discrimination?

cortex