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Senses, Perception, Learning, and Memory
Chapters 4, 6, and 7 on Sensation, Perception, Learning, and Memory
63
Psychology
Undergraduate 1
10/09/2013

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Term
Sensation
Definition
The sense organ's detection of external stimuli, their response to the stimuli, and the transmission of these response to the brain.
Term
Perception
Definition
The processing, organization, and interpretation of sensory signals, results in an internal representation of the stimulus.
Term
Transduction
Definition
A process by which sensory receptors produce neural impulses when the recieve physical or chemical stimulation.
Term
Psychophysics
Definition
The study of our psycological experiences of physical stimuli.
Term
Absolute Threshold
Definition
The minimum intensity of stimulation the must occur before you experience a sensation.
Term
Difference Threshold
Definition
The minimum amount of change required for a person to detect a difference.
Term
Signal Detection Theory
Definition
Detecting a stimulus requires making judgement about its presence or absence based on a subjective interpretation of ambiguous information.
Term
Response Bias
Definition
A participants tendency to report detecting a signal in an ambiguous trial.
Term
Sensory Adaptation
Definition
A decrease in sensitivity to a constant level of stimulation.
Term
Cornea
Definition
Clear outer part of the eye that focuses incoming light.
Term
Pupil
Definition
Small dark center of the eye, lets in light waves.
Term
Lens
Definition
Where light is bent inward and focused to form an image
Term
Retina
Definition
Contains photoreceptors that transduce light into neural signals.
Term
Rods
Definition
Retinal cells that respond to low levels of light, black and white perception.
Term
Cones
Definition
Retinal cells that respond to high levels of light, color perception.
Term
Fovea
Definition
Center of the retina, where cones are densely packed.
Term
Path of vision
Definition
Ganglion cells > optic nerve > optic chiasm > thalamus > visual cortex
Term
Blind spots
Definition
The point where the optic nerve exits the retina, resulting in a blind spot.
Term
S Cones
Definition
Short wavelengths, blue-violet light.
Term
M Cones
Definition
Medium wavelengths, yellow-green light.
Term
L Cones
Definition
Long wavelengths, red-orange light.
Term
Amplitude
Frequency
Definition
Loudness
Pitch
Term
Ossicles
Definition
Hammer/Malleus
Anvil/Incus
Stirrup/Stapes
Term
Taste receptor cells
Definition
in taste buds, where transduction occurs.
Term
5 Basic Tastes
Definition
Sour
Sweet
Salty
Bitter
Umami
Term
Olfactory Epithelium
Definition
Holds smell receptors
Term
2 Basic Sensations of Touch
Definition
Temperature
Pressure
Term
Slow Pain Fibers
Definition
Dull steady pain, caused by chemical changes in the damaged area.
Term
Fast Pain Fibers
Definition
Sharp, immediate pain, responds to strong physical pressure or extreme temperature.
Term
Gate Control Theory
Definition
Neural gates in spinal cord control perceptions of pain.
Term
Kinesthetic Sense
Definition
Allows us to pinpoint the locations of our limbs in space, coordinates voluntary movement and helps us avoid injury.
Term
Vestibular Sense
Definition
Our sense of balance, associated with the inner ear.
Term
Temporal Lobe
Definition
Location of Primary Auditory Cortex and Ventral Stream (what) of Visual Cortex
Term
Parietal Lobe
Definition
Location of Primary Somatosensory Cortex
Term
Occipital Lobe
Definition
Location of the Dorsal Stream (where) of the Visual Cortex
Term
Object Agnosia
Definition
Patients cannot recognize familiar objects.
Term
Blindsight
Definition
When a person who is blind responds to a visual stimulus they cannot see.
Term
Fusiform Gyrus
Definition
Controls facial recognition.
Term
Prosopagnosia
Definition
Inability to recognize faces.
Term
Unconditioned Response
Definition
a response that does not have to be learned
Term
Unconditioned Stimulus
Definition
a stimulus that elicits a response without any prior learning
Term
Conditioned Stimulus
Definition
A stimulus that elicits a response only after learning has occurred.
Term
Conditioned Response
Definition
a response that has been learned.
Term
Reinforcement
Definition
Adding something or taking something away in order to increase the probability of a behavior being repeated.
Term
Punishment
Definition
Adding something or taking something away in order to decrease the probability of a behavior being repeated.
Term
Nucleus Accumbens
Definition
the area of the brain that responds to dopamine.
Term
Long-Term Potentation
Definition
Cells that fire together, wire together.
Term
Encoding
Definition
The processing of the experience into a memory.
Term
Storage
Definition
The retention of the memory.
Term
Retrieval
Definition
Recalling the memory at a later time.
Term
Short-Term or Working Memory
Definition
Memories stored for a short amount of time, not likely to be remembered after time has passed, not a very large capacity.
Term
Long-Term Memory
Definition
Permanent memory, capacity is nearly limitless.
Term
Primacy Effect vs. Recency Effect
Definition
Remembering the beginning of a list of words or remembering the end of the list.
Term
Recognition vs. Recall
Definition
Looking at four multiple choice answers and picking the right one vs. filling in the blank correctly.
Term
Context Dependent Memory
Definition
Memory that depends on things like physical location, smells, background noise, ect.
Term
State Dependent Memory
Definition
Memory that depends on things like being drunk, high, on drugs like adderall, being tired, ect.
Term
Explicit Memory
Definition
Memory of facts, rules, concepts, and events.
Term
Episodic Memory
Definition
Memory of personal events.
Term
Semantic Memory
Definition
Memory of general knowledge.
Term
Implicit Memory
Definition
Memory of how to do something.
Term
Consolidation
Definition
The process by which short-term memories become long-term memories.
Term
Proactive vs. Retroactive Interference
Definition
Prior information preventing you from remembering new information vs. new information preventing you from remembering prior information.
Term
Retrograde vs. Anterograde Amnesia
Definition
Loss of past memories vs. inability to form new memories.
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