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Week Two
Week Two Flash Cards
16
Psychology
Undergraduate 1
05/29/2010

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Cards

Term
Absolute Threshold
Definition
the minimum stimulation needed for a given person to detect a given stimulus ( oder, taste, sound, etc.) 50% of the time
Term
Sensory Adaption
Definition
defined as dimished sensitivity as a consequence of constant stimulation
Term
Just Noticeable Difference (jnd)
Definition
the smallest difference a person can detect between 2 similar stimuli
Term
Weber's Law
Definition
a principle that, to perceive their difference, 2 stimuli must differ by a constant minimum % rather than a constant amount
Term
Perception
Definition
the brain's processing of organizing and making sense of sensory information
Term
Consciousness
Definition
the processing of informatin at various levels of awareness
Term
Circadian Rhythm
Definition
the internal biological clock in which regular bodily rhythms occur in a 24 hour cycle
Term
Narcolepsy
Definition
a sleep disorder characterized by uncontrollable sleep attacks
Term
Manifest Content
Definition
the storyline of our dream; often incorporates experiences and preoccupations from the day's events
Term
Latent Content
Definition
the underlying meaning of a dream; usually a forbidden sexual or aggressive wish
Term
Psychoactive Drugs
Definition
chemicals that change perceptions and moods
Term
Depressants
Definition
slow down body functions and neurological activity; "downers"
Term
Stimulants
Definition
increase neural activity and body functions; " uppers"
Term
Hallucinogens
Definition
distort perceptions and produce sensations that have no physical harm
Term
Meditation
Definition
the practice of some form of relaxed concentration that can block distracting sensory stimuli
Term
Hypnosis
Definition
an induced state of consciousness characterized by deep relaxation and heightened suggestibility
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