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Chapter 4-6
STUDY!!!
65
Psychology
Undergraduate 1
02/20/2014

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Term
cochlea
Definition
fluid filled tube that is the organ of auditory transduction
Term
basilar membrane
Definition
undulates when vibrations from the ossicles reach the cochlear fluid
Term
hair cells
Definition
specialized auditory receptor neurons embedded in the basilar membrane
Term
area A1
Definition
portion of the temporal lobe that contains the primary auditory cortex
Term
place code
Definition
cochlea encodes different frequencies at different locations along basilar membrane
Term
temporal code
Definition
cochlea registers low frequencies via te firing rate of action potentials entering the auditory nerve
Term
What allow us to localize sound?
Definition
timing and loudness
Term
A-delta fibers
Definition
transmit initial sharp pain
Term
C-fibers
Definition
transmit longer-lasting, duller pain
Term
gate control theory
Definition
theory of pain perception based on the idea that signals arriving from pain receptors in the body can be stopped or gated by interneurons in the spinal cord via feedback from 2 directions
Term
synesthesia
Definition
perception of one sense to envoke another
Term
psychophysics
Definition
methods that measure strength of the stimulus and the observer's sensitivity to the stimulus
Term
amplitude
Definition
brightness
Term
hue
Definition
length
Term
common fate
Definition
elements of a visual image that move together are perceived as parts of a single moving object
Term
referred pain
Definition
feeling of pain when sensory info from internal and external areas converge on the same nerve cells in the spinal cord
Term
vestibular system
Definition
3 fluid filled semicircular canals and adjacent organs located next to the cochlea in inner ear, detects mvmt of fluid in head
Term
retrograde amnesia
Definition
inability to retrieve info that was acquired before a certain date, injury, or surgery
Term
anterograde amnesia
Definition
inability to transfer new info from short-term store to long term store, processing in hippocampus
Term
memory
Definition
ability to store and retrieve information
Term
elaborative encoding
Definition
process of actively relating new info to knowledge that is already in memory
Term
7 sins of memory
Definition
transience, blocking, absentmindedness, memory misattribution, suggestibility, bias, persistence
Term
levels of processing
Definition
semantic, rhyme, and visual judgements
Term
sensory memory store
Definition
place in which sensory memory is kepts for a few seconds or less
Term
iconic memory
Definition
fast-decaying store of visual info
Term
echoic memory
Definition
fast-decaying store of auditory info
Term
transfer-appropriate processing
Definition
idea that memory is likely to transfer from one situation to another when we process info in a way that is appropriate to the retrieval cues that will be available later
Term
region that shows activity when info is successfully recalled
Definition
hippocampus
Term
explicit memory
Definition
consciously retrieving past experiences
Term
implicit memory
Definition
without conscious recall
Term
priming
Definition
enhanced ID of word or objects
Term
procedural memory
Definition
motor and cognitive skills
Term
semantic memory
Definition
facts and general knowledge
Term
episodic memory
Definition
past experiences
Term
transience
Definition
-forgetting what occurs with passage of time
-occurs during storage phace
-involves gradual switch from specific to general memory
Term
absentmindedness
Definition
lapse in attention that results in memory failure
Term
prospective memory
Definition
remembering to do things in the future
Term
blocking
Definition
failure to retrieve info that is available in memory even though you cannot produce it
Term
source memory
Definition
recall of when, where, and how info was acquired
Term
memory misattribution
Definition
assigning a recollection or an idea to the wrong source
Term
suggestibility
Definition
tendency to incorporate misleading info from external sources into personal reflections
Term
bias
Definition
distorting influences or present knowledge, beliefs, and feelings on recollection of previous experiences
Term
consistency bias
Definition
bias to reconstruct the past to fit the present
Term
change bias
Definition
tendency to exaggerate differences btwn what we feel or believe now and what we felt or believed in the past
Term
egocentric bias
Definition
tendency to exaggerate the change btwn past and present in order to make ourselves look good in retrospect
Term
persistence
Definition
intrusive recollection of events that we wish we could forget
Term
classical conditioning
Definition
when a neutral stimulus evokes a response after being paired with a stimulus that naturally evokes a response
Term
habituation
Definition
a general process in which repeated or prolonged exposure to a stimulus results in a gradual reduction in responding
Term
acquisition
Definition
phase of classical conditioning when the CS and the US are presented together
Term
extinction
Definition
gradual elimination of a learned response that occurs when the US is no longer presented
Term
generalization
Definition
a process in which the CR is observed even though the CS is slightly different from the original one used during acquisition
Term
discrimination
Definition
the capacity to distinquish btwn similar but distinct stimuli
Term
operant conditioning
Definition
type of learning in which the consequences of an organism's behavior determines whether it will be repeated in the future
Term
law of effect
Definition
the principle that behaviors that are followed by a "satisfying state of affairs" tend to be repeated and those that produce an "unpleasant state of affairs" are less likely to be repeated
Term
operant behavior
Definition
behavior that an organism produces that has some impact on the enviornment
Term
latent learning
Definition
condition in which something is learned but is not manifested as a behavior change until sometime in the future
Term
cognitive map
Definition
a mental representation of the physical feature of the enviornment
Term
implicit learning
Definition
learning that takes place largely independent of awareness of both the process and the products of information acquisition
Term
order or eye (front to back)
Definition
CPLR - cornea, pupil, lens, retina
Term
order of ear (outer to inner)
Definition
pinnal, auditory canal, eardum, ossicles, cochlea, auditory nerve, brain
Term
perception
Definition
the organization, ID, and interpretation of a sensation in order to form a mental representation
Term
transduction
Definition
when sensors in the body convert physical signals from the environment into neural signals sent to the nervous system
Term
absolute threshold
Definition
the minimal intensity needed to just barely detect a stimulus
Term
Weber's Law
Definition
the JND of a stimulus
Term
accomodation
Definition
process by which the eye maintains a clear image on the retina
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