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Psych 105
Wazzu Psych 105 Exam 2
82
Psychology
Undergraduate 1
10/19/2009

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Term
consciousness
Definition
an awareness of one's surroundings and of what's in one's mind at a given moment; includes aspects of being awake
Term
wakefulness
Definition
degre of alertness reflecting whether a person is awake or asleep
Term
awareness
Definition
monitoring the information from the environment of one's own thoguhts
Term
vegetative state
Definition
the state of minimal consciousness in which the eyes might be open, but the preson is otherwise unresponsive
Term
coma
Definition
the state of consciousness when the eyes are closed and the perosn is unresponsive and unarousable
Term
mindfullness
Definition
a heightened awareness of the present moment, whether of events in one's environment or in one's mind
Term
attention
Definition
the limited capacity to process information that is under conscious control
Term
selective attention
Definition
the ability to focus awareness on specific features in the environment while ignoring others
Term
sustained attention
Definition
the ability to maintain focused awareness on a target or idea
Term
meditation
Definition
practices that people use to calm the mind, stabilize concentration, focus attention, and enhance awareness of the present moment
Term
circadian rhythms
Definition
the variations in physiological processes that cycle within approximately a 24-hour period, including the sleep-wake cycle
Term
beta waves
Definition
pattern of brain activity when one is awake; a rapid, low-energy wave
Term
non-REM
Definition
form of sleep with few eye movements, which are slow rather than fast
Term
rapid eye movements (REM)
Definition
quick movements of the eye that occur during sleep, thought to mark phases of dreaming
Term
alpha waves
Definition
pattern of brain activity when one is relaxed and drowsy; slower, higher-energy waves than beta waves
Term
theta waves
Definition
pattern of brain activity during Stage 1 sleep; slower, lower-energy waves than alpha waves
Term
delta waves
Definition
type of brain activity that dominates Stage 3 sleep; higher energy than theta wave
Term
insomnia
Definition
a sleeep difficulty characterized by difficulty falling & staying asleep, as well as not feeling rested
Term
sleep apnea
Definition
sleep difficulty that results from temporary blockage of the air passage
Term
sleep walking
Definition
sleep difficulty characterized by activites occuring during non-REM sleep that usuallt occur when one is awake, such as walking and eating
Term
narcolepsy
Definition
sleep disorder characterized by daytime sleepiness and weakness in facial and limb muscles
Term
hypersomnia
Definition
sleep difficulty characterized by sleeping more than 10 hours a day for 2 weeks or more; includes the urge to nap during inapporpriate times
Term
dreams
Definition
images, thoughts, and feelings experienced during sleep
Term
manifest level
Definition
Freud's surface level of dreams, recalled upon walking
Term
latent level
Definition
Freud's deeper unconscious level of dreams; their meaning is found at this level
Term
AIM
Definition
three biologically based demensions of consciousness- Activation, Input, & Mode
Term
hypnosis
Definition
state characterized by focused attention, suggestibility, absorption, lack of voluntary control over behavior, and suspension of critical faculties; occurs when instructed by someone trained in hypnosis
Term
Stroop effect
Definition
delay in reaction time when color of words on a test and their meaning differ
Term
psychoactive drugs
Definition
naturally occuring and synthesized substances that, when ingested or otherwise taken into the body, reliably produce qualitative changes in conscious experience
Term
depressants
Definition
substances that decrease and slow down central nervous system activity
Term
Hypothalamus (brain)
Definition
hunger, thirst, and sexual motivation
Term
Hippocampus (brain)
Definition
learning and memory
Term
Frontal Lobe (brain)
Definition
planning, abstract thinking, and reasoning
Term
Cerebellum (brain)
Definition
movement & coordination
Term
stimulants
Definition
substances that activate the nervous system
Term
hallucinogens
Definition
substances that create distorded preceptions of reality ranging from mild to extreme
Term
endocannabinoids
Definition
natural, marijuana-like substances produced by the body
Term
memory
Definition
the abilityto store and use information; also the store of what has been learned and remembered
Term
three-stage model of memory
Definition
classification of memories based on duration as sensory, short-term, and long-term
Term
sensory memory
Definition
the part of memory that holds information in its original sensory form for a very brief period of time, usually about a half second or less
Term
short-term memory
Definition
the part of the memory that tempoarily   (for 2-30 sec) stores a limited amount of information before it is either transferred to long-term storage or forgotten
Term
long-term memory
Definition
the part of the memory that has the capacity to store a vast amount of information for as little as 30 seconds and as long as a lifetime
Term
working memory
Definition
the part of the memory required to attend to and solve a problem at hand; often used interchangeably with short-term memory
Term
chunking
Definition
the process of breaking down a list of items to be remembered into a smaller set of meaningful units
Term
rehearsal
Definition
the process of repeatdly practicing material so that it enters long-term memory
Term
serial position effect
Definition
the tendency to have better recall for items in a list according to their position in the list
Term
implicit memory
Definition
kind of memory made up of knowledge based on previous experience, such as skills that we preform automatically once we have mastered them; resides outside conscious awareness
Term
procedural memory
Definition
kind of memory made up of implicit knowledge for almost any behavior or physical skill we have learned
Term
priming
Definition
a kind of implicit memory that arises when recall is improved by earlier exposure to the same or sismilar stimuli
Term
explicit memory
Definition
knowledge that consits of the conscious recall of facts and events; also known as declarative memory
Term
semantic memory
Definition
form of memory that recalls facts and general knowledge, such as what we learn in school
Term
episodic memory
Definition
form of memory that recalls the experiences we have had
Term
encoding
Definition
the process by which the brain attends to, takes in, and integrates new information; the first stage of long-term memory formation
Term
automatic processing
Definition
encoding of information that occurs with little effort or conscious attention to the task
Term
effortful processing
Definition
encoding of information that occurs with careful attention and conscious effort
Term
levels of processing
Definition
the concept that the more deeply people encode information, the better they will recall it
Term
mnemonic device
Definition
a method devised to help remember information, such as a rhyme or acronym
Term
storage
Definition
the retention of memory over time; the third stage of long-term memory formation
Term
hierarchies
Definition
a way of organizing related pieces of information from the most specific feature they have in common to the most general
Term

consolidation

Definition
the process of establishing, stabilizing, or solidifying a memory; the second stage of long-term memory formation
Term
schemas
Definition
mental frameworks that develop from our experiences with particular people, objects, or events
Term
retrieval
Definition
the recovery of information stored in the momory; the fourth stage of long-term memory
Term
prefrontal cortex
Definition
the front-most region of the frontal lobes that plays an important role in attention, appropriate social behavior, impulse control, and working memory
Term
long-term potentiation
Definition
strengthening of a synaptic connection that results when synapse of one neuron repeatedly fires & excites another neuron
Term
retroactive interference
Definition
disruption of memory because new experiences or information cause people to forget previously learned experiences or information
Term
interference
Definition
disruption of memory because other information competes with the information we are trying to recall
Term
proactive interference
Definition
disruption of memory because previously learned information interferes with the learning of new information
Term
forgetting
Definition
the weakening or loss of memories over time
Term
transience
Definition
most common type of forgetfulness due to the fleeting nature of some memories
Term
forgetting curve
Definition
a graphic depiction of how recall steadily declines over time
Term
blocking
Definition
the inability to retrive some information once it is stored
Term
repression
Definition
a formof blocking, in which retrieval of memories that have been encoded and stored is actively inhibited
Term
absent-mindedness
Definition
a form of forgetfulness that results from inattention
Term
misattribution
Definition
belief that memory came from one source when in fact it came from another
Term
consistency bias
Definition
selective recall of past events to fit our current beliefs
Term
persistence
Definition
the repeated recall of pleasant or unpleasant experiences even when we actively try to forget them
Term
suggestability
Definition
problem with memory that occurs when memories are implanted in our minds based on leading questions, comments, or suggestions by someone else or some other source
Term
recovered memory
Definition
a memory from a real event that was encoded, stored, but not retrieved for a long period of time until some later event brings it suddenly to consciousness
Term
false memories
Definition
memories for events that never happened, but were suggested by someone or something
Term
amnesia
Definition
memory loss due to brain injury or disease
Term
anterograde amnesia
Definition
the inability to remember events and experiences that occur after an injury or the onset of a disease
Term
retrograde amnesia
Definition
an inability to recall events or experiences that happened before the onset of a disease or injury
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