Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
41 Cards in this Set
- Front
- Back
synesthesia
|
condition when one sense is perceived with one or more additional senses
|
|
transduction
|
the conversion of physical into neural information
|
|
accommodation in the eye
|
lens changes shape to produce clear image
|
|
Weber's law
|
to perceive a difference between two stimuli, the stimuli must differ by a constant percentage or ratio
|
|
visual acuity
|
ability to see fine details
|
|
sensation
|
a physical process: the stimulation of our sense organs by features of the outer world
|
|
perceptoin
|
a psychological process; the act of organizing and interpreting sensory experience
|
|
just noticeable difference threshold
|
the smallest amount of change between two stimuli that a person can detect half of the time
|
|
pitch
|
degree of highness or lowness of a note
|
|
five basic taste qualities
|
bitter, sweet, salty, sour umami
|
|
diff between cones and rods
|
cones function in bright light, rods work well in low light
|
|
complexity
|
determines timbre (quality) of a sound
|
|
fovea
|
small area in center of retina that contains only cones and where visual acuity is greatest
|
|
gestalt law of closure
|
tendency to see whole object even when complete info isnt available
|
|
similarity
|
the gestalt tendency to group like objects together in visual perception
|
|
gestalt law of figure and ground
|
ability to separate a figure out of a background, but cant perceive both simultaneously
|
|
continuity
|
learners tend to continue shapes beyond their ending points
|
|
proximity
|
objects or shapes that are close to one another appear to form groups
|
|
5 gestalt laws of organization
|
similarity, continuity, proximity, closure, figure-ground
|
|
color after-image
|
visual image that remains after looking away from a stimulus
|
|
hypotheis
|
testable prediction about the relationship between at least two events, characteristics, or variables
|
|
CORRELATION DOES NOT EQUAL CAUSATION
|
yup
|
|
central nervous system (CNS) consist of?
|
brain and spinal cord
|
|
synaptic transmission
|
process by which a single neuron relays messages to other neurons
|
|
neural migration
|
movement of neurons from one part of the fetal brain to their more permanent destination
|
|
hindbrain
|
the part of the brain situated immediately above the spinal cord that contains the brain stem and cerebellum is the first to develop
|
|
actoin potential
|
postively charged impulse that sends an electrical signal along the length of a neuron's axon to a synapse
|
|
mirror neuron
|
a nerve cell that is active when we observe others performing an action as well as when we are performing the same action
|
|
dopamine
|
neurotransmitter that regulates motor behavior, motivation, pleasure, and emotional arousal
|
|
transcranial magnetic stimulation
|
particular type of method can be used to simulate brain damage within a patient
|
|
neuronal pruning
|
synaptic connections become stronger through experiences or die off from lack of stimulation
|
|
hippocampus
|
part of brain in charge of memory
|
|
amygdala
|
attaches significance to previously neutral events associated with emotions and emotional memories: fear punishment or reward
|
|
thalamus
|
major sensory integration and relay center of the forebrain
|
|
myelin sheath
|
insulating layer of fatty material wrapped aroudn axon to increase the efficiency and transmission of the neuron
|
|
temporal lobes
|
area taht affects hearing and language
|
|
electroencephalography (EEG)
|
examine patterns of electrical activity in brain during diff. periods of consciousness
|
|
phantom limb syndrome
|
sensation amputees experience of still having their missing limbs
|
|
plasticity
|
functions of damaged areas of brain may be taken over by other areas of the brain
|
|
contralateral control
|
the left hemisphere perceives stimuli from and controls movement on the right side of the body
|
|
sympathetic nervous system
|
branch of autonomic nervous system that has an arousal function on the body's internal organs, speeding up bodily processes and mobilizing the body
|