Shared Flashcard Set

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Sensation and Perception
n/a
26
Psychology
Undergraduate 1
10/20/2010

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Cards

Term
Sensation
Definition
the process by which we receive and represent physical energy from our environment
Term
Perception
Definition
the process of organizing and interpreting sensory information
through this process we recognize meaningful objects and events
Term
Kinesthesis
Definition
Motion and location of our body parts
Term
Vestibular
Definition
Sense balance and spatial orientation of our body within the environment
Term
Top-down processing
Definition
higher-level mental processes
Term
Bottom-up processing
Definition
Lower-level mental processes
Term
Quantitative variation
Definition
Amount or intensity of a stimulation
Term
Qualitative
Definition
What kind of energy is being received?
Term
Absolute thresholds
Definition
the minimum stimulation necessary to detect a particular stimulus 50 % of the time
Term
Difference threshold
Definition
minimum difference a person can detect between 2 stimuli 50% pf the time
Term
Sensory Adaptation
Definition
we become less sensitive to an unchanging stimulus
Term
Selective Attention
Definition
the focus of our conscious awareness on a particular stimulus
Term
What is the additional 5th taste receptor?
Definition
Umami
Term
Where is the primary taste area?
Definition
Underside of the frontal lobe
Term
Sour
Definition
Signal for decay
Term
Bitter
Definition
signal for toxins
Term
umami
Definition
Building blocks of protein
Term
salty
Definition
Needed for maintance of proper salt balance
Term
sweet
Definition
energy source
Term
What type of sense is smell?
Definition
A chemical sense
Term
Smell: What happens when the odor evaporates?
Definition
dissolve in mucous fluid covering olfactory epithelium containing olfactory sensory neurons
Term
What is glomeruli?
Definition
Structures that receive input from only one type of olfactory sensory neuron
Term
What are the 4 touch sensations?
Definition
pressure, warmth, cold, and pain
Term
What are sensory neurons for pain?
Definition
C fibers and A-delta fibers
Term
Primary emotional and motivational
Definition
behavior
Term
Secondary emotional and motivational
Definition
cognition
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