Exam 2 Flashcards
distal stimulus
physical object
proximal stimulus
optical image on the retina
absolute threshold
minimal stimulus detectable
difference threshold
minimal change in a stimulus detectable
Weber’s law
bigger stimulus = bigger change to be detectable
accomodation
ciliary muscles change thickness of the lens to adjust to see near/far
vestibular sense
body orientation relative to gravity
Gestalt Psychology
the whole is greater than the sum of it’s parts
bottom-up processing
perceptual analysis based on what you see
top-down processing
perceptual analysis based on previous knowledge
set
temporary readiness to perceive/react to a stimulus in a certain way
phonemic restoration
“hearing” what wasn’t actually heard when a part is obscured
law of proximity
group together what is close
law of similarity
group together what is similar
law of good continuation
lines are perceived as continuous
law of common fate
group together objects moving in the same direction
autonomic nervous system
prepares the body for emotional responses
sympathetic response
mild, bad
parasympathetic response
mild, good
James-Lange Theory of Emotion
stimulus > ANS > emotion
Cannon-Bard Theory of Emotion
stimulus > ANS & emotion
Cognitive Appraisal Theory of Emotion
stimulus > ANS & cognitive appraisal > emotion
positive mood (approach)
broadens focus, flexible, creative problem solving
negative mood (approach)
harsher judgment (less gullible), focus on critical information
hypothalamus
stress, controls ANS, activates pituitary gland, fight/flight
problem-directed coping
direct actions, problem-solving strategies