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Unit 2 Terms and such
Defining terms
73
Psychology
Undergraduate 1
10/28/2007

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Term

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Definition
To represent information in some form of memory system
Term
Stage Theory of Memory
Definition
A model of memory based on the idea that we store iformation in three seperate but linked memory
Term
Sensory register
Definition
The first stage of memory, in which an exact image ofeach sensory experience is helf briefly until it can be processed.
Term
Short Term Memory (STM)
Definition
The second state of memory, in which five to nie bits of info can be stored fore brief periods of time.
Term
Rehersal
Definition
Mental repetition of info to retain it longer in short term memory
Term
Chunks  
Definition
Units of memory - George Miller
Term
Long Term Memory (LTM)
Definition
the thirs stage of memory, involving the storage of info that is kept for long periods of time.
Term
Differences between long term memory and short term memory
Definition

1. the way in which the information is recalled

2. the form in which information is stored in memory

3. the reasons that forgetting occurs

4. the physical location of these functions in the brain 

Term
Procedural Memory
Definition

Memory for motor movements and skills. (EX: Riding a bike)

Term
Semantic memory
Definition
Memory for meannig without reference to the time and place of learning. (EX. not forgetting the meaning of guitar)
Term
Episodic memory
Definition
Memory for specific experiences that can be defined in terms of time and space. (EX. looking at a picture to trigger past events. like looking at a guitar to trigger the time you got your first guitar.)
Term
Declarative memory
Definition
Some psychologists group semantic memory and episodic memory together. This is the term.
Term
Recall method
Definition

A measure of memory based on the ability to retrieve info from long-term memory with few cues.  Whom did George w. Bush defeat for the prez race of the US in 2000? would be a good example

Term
Recognition method
Definition

a measure of memory based on the ability to select correct info from among the options provided.

In 2000, George Bush defeated __________ for the pres of the US.

a. Bob Dole

b. Al Gore

C. Kim Lehrer

D. Jimmy Carter

 ^^would be a good example

 

Term
80%
Definition
% of people who remember what they were dreaming about when woken up during REM sleep
Term
Relarning method (also called savings method)
Definition

a measuire of memory based on the length of time it takes to relearn forgotten material.

-Most sensitive of the three methods of evaluating memory

Term
Serial position effect
Definition
The finding that immediate recall of items listed in a fixed oreder is often better for items at the beginning and end of the list than for those in the middle.
Term
Levels of processing model
Definition
an alternative to the stage theory of memory stating that the distinction between short term and long term memory is a matter of degree rather than different kinds of memory and is based on how the incoming info is processed.
Term
elaboration
Definition
the process of creating associations between a new memory and existing memories.
Term
Decay Theory
Definition
The theory that foirgetting occurs as the memory trace fades over time
Term
Interference Theory
Definition
The theory that forgetting occurs becasue similar memories interfere with the storage or retrieval of info
Term
proactive interference
Definition
interference created by memories from prior learning
Term
retroactive interference
Definition
interference created by memories from later learning
Term
reconstruction (schema) theory
Definition
The theory that info stored in LTM sometimes changes over time to become more consistent with our beliefs, knowledge, and expectations
Term
False memory 
Definition
remembering an event that did not occur ot that occurred in a way that was substantially different from the memory of the event
Term
motivated forgetting
Definition
forgetting that is believed to be based on the upsetting or threatening nature of the info that is forgotten
Term
engram
Definition
The partially understood memory trace in the brain that is the bio basis of memory
Term
synaptic facilitation
Definition
the process by which neural activity causes structural changes in the synapses that facilitate more efficent learning and memory
Term
consolidation
Definition
the gradual strengthening of chemical changes in synapses following learning experiences
Term
retrograde amnesia
Definition
a memory disorder characterized by an inability to retrieve old long-term memories, generally for a specific period of time extending back from the beginning of the disorder.
Term
anterograde amnesia
Definition
disorder of memory characterized by an inability to store and/or retrieve new information in long-term memory
Term
hippocampus
Definition
the part of the limbis system that plays a role in emotional arousal and LTM
Term
Korsakoff's syndrome
Definition
A disorder involving both anterograde and retrograde amnesia caused by excessive use of alcohol
Term
Consciousness
Definition
a state of awareness
Term
daydreams
Definition
relatively focused thinking about fantasies
Term
Devided consciousness
Definition
the splitting off of two conscious activites that occur simultaneously
Term
unconscious mind
Definition
mental processes that occur without conscious awareness
Term
hynagogic state
Definition
a relaxed state of dreamlike awareness between wakefulness and sleep
Term
myoclonia
Definition
a relaxed state of dreamlike awareness between wakefulness and sleep
Term
electroencephalogram (EEG)
Definition
a measure of electrical brain activity
Term
dreaming
Definition
conscious awareness during sleep that primarily occurs during rapid eye movement (REM) sleep
Term
REM sleep
Definition
Rapid eye movement sleep, characterized by movement of the eyes under the lids; often accompanies dreams
Term
Circadian rhythm
Definition
internally generated ccles lasting about 24 hours a day that regulate sleepiness and wakefullness, body temp, and the secretion of some hormones
Term
day residue
Definition
dream content that is similar to events in the person's waking life
Term
stimulus incorporation
Definition
Stimuli occuring during sleep that are incorporated into dreams either directly or in altered form.
Term
manifest content
Definition
according to freud, the literal meaning of dreams
Term
lantent content
Definition
according to freud, the tre meaning of dreams that is found in the symbols in their manifest content
Term
nightmares
Definition
Dreams that occur during REM sleep and whose content is exceptionally frightening, sad, angry, or in some other way uncomfortable
Term
night terrors
Definition
upsetting nocturnal experiences that occur most often preschool-age children during deep non-REM sleep
Term
sleepwalking
Definition
waking and carrying on complicated activities during the deepest part of non-REM sleep
Term
Sleeptalking
Definition
talking during any phase of the sleep cycle
Term
sleep disorders
Definition
disturbances of sleep
Term
insomnia
Definition
a disorder in which the person had sifficultly falling asleep or staying asleep
Term
narcolepsy
Definition
a sleep disorder in which the person suddenly falls asleep during activities usually performed when fully awake, even when the person has had adequate sleep.
Term
sleep apnea
Definition
the sudden interruption of breathing during sleep
Term
meditation
Definition
several methods of focusing concentration away form thoughts and feelings and generating a sense of relaxation
Term
mantras
Definition
words or sounds containing religious meaning that are used during meditation
Term
transcendental state
Definition
an altered state of consciousness, sometimes achieved during meditation, that is said to transcend normal human experience
Term
mindfullness
Definition
the state of focusing conscious awareness completely on what is going on at the present moment
Term
hypnosis
Definition

an altered state of sonsciousness in whihc the individual is highly relaxed and susceptibly to suggestings.

This state has the dollowing characteristics

  • relaxation
  • hypnotic hallucinations
  • hypnotic analgesia
  • hypnotic age regression
  • hypnotic control
Term
depersonalization
Definition
the preceptual experience of one's body or surrondings becoming distorted or unreal
Term
astral projection
Definition
depersonalization that includes the illusion that the mind has left the body
Term
psychotropic drugs
Definition
the various classes of drugs, including stimulants, depressants, and halluciongens, that alter conscious experience.
Term
Stimulants
Definition
drugs that increase the activity of motivational centers in the brain, providing a sense of energy and well-being
Term
amphetamines
Definition
power stumulants that produce a conscious sense of increasaed energy and euphoria
Term
amphetamine psychosis
Definition
a prolonged reaction to the excessive use of these stimulus, characterized by disordered thinking, confused and rapidly changing emotions, and intense suspiciousness
Term
ephedra
Definition
a herbal stimulant that may supress appetite, but may cause serious emotional disturbance
Term
depressants
Definition
drugs that reduce the activity of the central nervous system, leading to a sense of relaxation, drowsiness, and lowered inhibitions
Term
sedatives
Definition
depressants that in mild doses produce a state of calm relaxation
Term
narcotics
Definition
powerful and highly addictive depressants
Term
opiates
Definition

narcotic drugs derived from the opium poppy 

Term
inhalants
Definition
toxic substances thta produce a sense of intoxication
Term
hallucinogens
Definition
drugs that alter preceptual experiences
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