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Psych Test #2
Psych Test #2 sections 4-7
57
Psychology
Undergraduate 1
10/04/2011

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Term
Learning
Definition
Any (relatively) permanet change in (potential) behavior resulting from experience.
Term
Habituation
Definition
Stop responding to a stimulus due to familiarity.
Term
Sensitization
Definition
increased response to familiar stimulus. (opposite of habituation).
Term
Classical Conditioning
Definition
Associative learning. Learn signaling properties of events. A learning process that occurs when two stimuli are repeatedly paired: a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.
Term
Unconditioned Stimulus
Definition

evokes an unconditioned response

Ex: smell steak on grill (UCS), start salivating (UCR)

Term
Conditioned Stimulus
Definition

Evokes a Conditioned Response

Ex: Blue Light(NS) paired with steak(UCS), eventually blue light(CS) alone elicites salivation(CR).

Term
Reinforcement
Definition
Anything that increases likelihood of behavior.
Term
Punishment
Definition
Anything that decreases likelihood of behavior.
Term
Positive Reinforcement
Definition
ADD stimulus right after response. EX: give praise for good work.
Term
Negative Reinforcement
Definition
REMOVE stimulus right after response EX: use umbrella to avoid getting wet.
Term
Positive Punishment
Definition
ADD stimulus right after response EX: critcism or spanking
Term
Negative Punishment
Definition
REMOVE stimulus right after response EX: parents remove TV watching rights after child misbehaves.
Term
Continuous reinforcement
Definition
every time.
Term
Partial Reinforcement
Definition

Only Sometimes

  • Fixed ratio
  • Fixed interval
  • Variable Ratio
  • Variable interval
Term
Fixed ratio
Definition
Reinforcement after every nth response EX: a paper route pays $10 for every 30 delived papers
Term
Variable Ratio
Definition
reinforcement after random number of responses EX: you are paid $10 for every 5 times (on average) that you take out the trash. 
Term
Fixed Interval
Definition
reinforcement after every n seconds/min/hours/days EX: every third class you get a bonus point
Term
Variable Interval
Definition
Reinforcement after random amount of time has elapsed EX: checking email
Term
Neuron
Definition
Nerve Cell 
Term
neuron anatomy
Definition
cell body, dendrites, nucleus, axon, myelin sheath, axon terminals.
Term
Action Potential
Definition
"All or none" signal of excitation that travels on from cell body toward terminal button.
Term
Neurotransmitters
Definition
All neurotransmittters either inhibit or excite the postsynaptic neuron
Term
central nervous system
Definition
brain and spinal cord
Term
peripheral nervous system
Definition
axons that convey messages btwn spinal cord and body
Term
somatic nervous system of peripheral nervous system
Definition
communicates with skin and muscles
Term
autonomic nervous system of peripheral nervous system
Definition
controls involuntary muscles
Term
sympathetic nervous system of autonomic nervous system
Definition
extends energy (Fight or Flight)
Term
Parasympathetic nervous system in autonomic nervous system
Definition
conserves energy (Rest and Digest)
Term
Cerebellum
Definition
sensory information, coordination, motor control
Term
Medulla
Definition
Autonomic Functions: breathing, blood pressure, heart rate.
Term
Pons
Definition
sensory relay station, arousal, respiration
Term
Occipital
Definition
Specialized for vision
Term
Parietal
Definition

Primary somatosensory cortex

  • Touch, pain, temp, awareness, of location and body parts.
Term
Temporal
Definition
processing of hearing and complex vision
Term
Amygdala
Definition
emotionally arousing events and facial expressions
Term
Hippocampus
Definition
Learning and memory
Term
Thalamus
Definition
Relay station for incoming sensory information
Term
Hypothalamus
Definition

Species-Typical behavior

  • fighting, feeding, fleeing, mating
Term
Subliminal Perception
Definition
the idea that a stimulus can influence our behavior even when it is presented so faintly or briefly or along with such distracters that we do not perceive it consciously.
Term
Feature Detection
Definition
We begin recognition by breakinf complex stimulus
Term
Gestalt Psychology
Definition
A field that focuses on our ability to perceive overall patterns "whole is different from sum of parts"
Term
Reversible Figures
Definition
stimuli that can be perceived in more than one way.
Term
Proximity
Definition
perceive objects close to each other as forming a group
Term
Similarity
Definition
Perceive objects that resemble each other
Term
Continuation
Definition
eye is compelled to move through 1 object and continue through another
Term
Closure
Definition
imagine the rest of a figure that is missing
Term
Closure
Definition
imagine the rest of a figure that is missing
Term
Depth perception
Definition
our perception of distances
Term
Retinal Disparity
Definition
the discrepancy btwn slighty different views the 2 eyes see greater.
Term
Convergence
Definition
degree which eyes turn in to focus on a close object
Term
Episodic Drive
Definition
pain avoidance only occurs while bodily damage has occured or is about to occur
Term
High Sensation Seeking
Definition
tend to be bold, independent, value change, report more sexual partners, more likely to smoke, prefer spicy, and crunchy foods
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