L13,14 Flashcards
4 classical temperaments of antiquity
Sanguine
phlegmatic
choleric
melancholic
Sanguine lines between __ & ___
stable and extraverted
Choleric lies between ?
Extraverted and neurotic
melancholic is between?
neurotic and introverted
phlegmatic between?
stable and introverted
origin of Eysenck’s arousal theory and Grey’s reinforcement theory?
Pavolv’s strength of conditioned stimulus
pavlov’s law of strength
the strength of the conditioned response is proportional to the intensity of the conditioned stimulus
Transmarginal inhibition
ultra strong stimuli produces reduction in response magnitude
Which classical temperament reaches transmarginal inhibition first? and why?
Melancholic dogs. They possess a weak nervous system (cortical cells exhausted at lower stimulus intensities)
Which temperament reaches Transmarginal inhibition last? and why?
Sanguine. Strong nervous system. Low reactive cortical cells that require more intense stim before exhaustion
ARAS stands for what and is based off who’s work?
Ascending reticular activating system. Moruzzi and Magoun
Highly reactive ARAS =
introverts
low reactive ARAS= (intros or extras)
extraverts
Eysenck’s theory on performance and motivation draws from who’ work?
Hebbs
who reaches the optimal level of arousal at lower stimulation for peak performance?
Introvert (reactive ARAS)
Hebb’s motivation theory
non specific cortical arousal affects mood at high and low arousal. optimal in inverted U. we are motivated to find an intermediate level that is optimal for performance AND pleasant
Hebbs motivation: Introverts experience Stimuls ____
averson. introverts risk unpleasantly high levels of cortical arousal
Hebbs motivation: Extraverts experience stimulus ___
hunger. extraverts risk low levels of arousal. seek higher stim for pleasant stateq
Eysenck’s theory of Neuroticism is linked to?
The limbic system
Eysenck’s theory of psychoticism linked with?
testosterone (males score higher on psychoticism than females).
Eysenck is to ___ as Grey is to ___ and ___
arousal
reward and punishment
Number of trials required to establish a conditioned response (pavlov’s theory)
speed of conditionability
Which dog took highest # of presentations to form a conditioned response? Which dog took least?
Melancholic, sanguine
differences in sensitivity of BAS underlie differences in ____
impulsivitiy
Differences in sensitivity of BIS underlie diffs in ____
Anxiety
Grey’s impulsivity= eysincks ____
Extraversion
Grey’s Anxious = eysenck’s _____
neuroticism
Gray’s BAS is linked to which pathway?
dopamanergic
Gray’s BIS is linked to ?
Noradrenergic
Unitary theories of aroulsal (eysenck) was challenged by the discovery of what separate pathways?
Central nervous system, autonomic nervous system
beta waves are found in?
excited states during mental or physical activity, or emotional arousal
alpha waves are find in ?
relaxed, but wakeful state. eyes close. stimulation reduces or disappears
theta waves
lower arousal, drowsiness (more frequent in children)
delta waves
sleep
evoked potential
momentary change in EEG activity that occurs in response to stimuli
PET scans inject what into the brain?
Deoxyglucose
When radioactive DG mocules decay, they emit what?
Positrons
cons of pet scan
blurry, extended period of time (35 minutes)
best spatial and temporal imaging of brain?
fMRI
Phasic reactivity in skin conductance is measured in terms of ? (2)
SCR amplitude and freq of NS-SCRs
