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2 - NA vs A

TermDefinition
NA repeated exposure single stimulus change response amplitude/frequency
Habituation decrease response/time repeated irrelevant stimuli stop smell own dog stimulus specific - notice similar smells
habituation is reversible notice stimulus again (focus)
habituation NOT NOT sensory adaptation
sensory adaptation receptor fatigue physical process
dishabituation recovery response novel NEW stimulus appears siren (NEW stimulus) -> re alerts you to traffic (tuned out)
sensitisation increase response to stimulus repeated exposure not stimulus specific increase in responsiveness "loud bang" -> reactive to other noises
Desensitisation makes sensitised response decrease to BASELINE over time
Infant studies Habituation simple stimuli Sensitisation -> H (complex stimuli)
learning/attention stimulus complexity(novelty)
A links two stimuli stimulus & response
Classical conditioning pairing NS with US to produce CR(Conditioned response)
NS + US = CR
NS -> becomes CS
US (unconditioned stimulus) naturally triggers UR (unconditioned response)
CS (condition stimulus) triggers CR (similar to UR)
Bell NS + Food US salivation UR bell CS -> salivation CR (REMEMBER THE BELL)
BELL CS -> SALIVATION CR (USED TO BE SALIVATION UR)
Acquisition curve NEGATIVELY accelerating learning CONTINUES post what is easily measured
Appetitive vs Aversive US (unconditioned stimulus) Appetitive (pleasant) -> slower to condition Aversive (painful) -> fast learning (1 trial)
appetitive(pleasant) us slow
aversive(painful) us fast
Stimulus intensity stronger us/cs -> faster stronger learning
dual process theory both H and S can co-occur net response depends on balance between two processes
Classical conditioning Stimulus substitution THEORY CS becomes a substitute for US -> CR resembles UR Light + grain -> pecking w open beak (food) Light + water -> pecking w closed beak (water) CR is not always identical to UR (aversive cases) STIMULUS SUBSTITUTION
CC Preparatory response THEORY CR prepares organism for US (uncondition stimulus) Eye blink prepares for air puff PREPERATION
CC Compensatory response THEORY CR is opposite to CR COMPENSATION goal to maintain homeostasis drug tolerance, addiction
HIGHER order conditioning (NS becomes CS) NS becomes CS Association with another CS Highway NS + Truck CS Highway becomes CS2 (FEAR) CR weaker than first order conditioning
SENSORY (PRE) CONDITIONING (Two NS associated) Two NSs are associated BEFORE either becomes CS Dog and Neighbour paired (Both NS) Dog bites you -> Fear of dog THEN neighbour TIMING - first CS must predict the second
Limit to CC Overshadowing more salient CS overshadows weaker one (Compound CS)
Limit CC Application Use strong flavour chemo prevent taste aversion to other foods
CC Blocking learning blocked IF CS already predicts US No new learning if stimulus adds NO NEW INFORMATION CS ALREADY PREDICTS US
CC Latent inhibition Pre exposure to NS without US makes harder to condition Ignoring fire alarm (multiple fire alarms)
Timing of CS and US pairings (CS AND US) IMPORTANT
DELAYed conditioning CS precedes US and overlaps MOST EFFECTIVE DELAYED = EFFECTIVE DELAYED = DISABLE ELF
TRACE conditioning CS ends before US starts (memory required) MODERATE CONDITIONING REQUIRES MEMORY OF THE CS Memory = Moderate Trace a line is moderate (requires MEMORY) MODERATE TRACE MEMORY(of CS) MODERATE
SIMULTANEOUS conditioning SIMS CS and US occur together - Weak TOGETHER = SIMS FIND WALDO(SIMS) = WEAK
BACKWARD conditioning WE NEVER GO BACKWARDS NO US precedes CS - NO 1st CS, 2nd US (no connection)
OPTIMAL timing 0.5-1 sec DELAY between CS and US
PAVLOV'S DOG anticipate timing (DELAY) SALIVATE BEFORE FOOD (anticipate the food because of DELAY)
Created by: brendonpizarro1
 

 



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