Card Set Information
refers to a point above which a stimulus is percieved and below which it is not percieved.
is the intensity level of a stimulus such that a person will have a 50% chance of detecting it.
has an intensity that gives a person less than a 50% chance of detecting stimulus
Just noticiable difference
refers to the smallest increase or decrease in the intensity of a stimulus that a person is able to detect
states that the increase in intensity of a stimulus needed to produce a just noticeable difference grows in proportion to the intensity of the initial stimulus
is out first awareness of some outside stimulus
is the experience we have after out brain assembkes and combines thousands of meaningless sensations into a meaningful pattern
believed that you add together hundreds of basic elements to form complex perceptions
we tend to automatically distinguish between a figure and a ground
we tend to fill any missing parts of a figure and see the figure complete
we group together objects that are physically close together
we group together elements that appear similar
states that stimuli are organized in the simplest way possible
we tend to favor smooth paths when interpreting a series of points or lines
is a group of psychic experiences that involve percieving or sending info outside normal sensory processes
is the ability to transfer one's thoughts to another or to read the thoughts of others
is the ability to foretell events
ability to percieve events or objects that are out of sight
refers to different levels of awareness
are activities that require full awareness to reach some goal
are activities that require little awareness and do not interfere with ongoing activities
activity that requires low level of awareness, often occurs during automatic processes
altered state of consciousness
result from using any number of procedures to produce an awareness that differs from normal consciousness
consists of five different stages that involve different levels of awareness
is a unique state of sonsciousness in which we are asleep but experience a variety of astonishing visual images
implicit or nondeclaritive memory
means learning without awareness, such as acquiring habits.
total lack of sensory awareness and complete loss of responsiveness
interal timing devices that are genetically set to regulate responses for different periods of time
interval timing clock
helps people and animals time their movements
food entrainable circadian clock
regulates eating patterns
travelers' biological circadian clocks are out of step
the use of bright light to reset circadian clocks to combat with insomnia
marked by feelings of being relaced and drowsy
non REM sleep
where you spend approximately 80% of your sleep time.
stage 1 sleep
is a transition from wakefulness to sleep.
stage 2 sleep
marks the beginning of sleep
stage 3 sleep
after 30-45 minutes
stage 4 sleep
deepest stage of sleep because it is the most difficukt from which to be awakened
rapid eye movement, your body is physiologically very aroused but muscles are paralyzed
suggests that a person will experience changes in sensations
to inducing hypnosis by first asking a person to stare at an object
altered state theory of hypnosis
holds that hypnosis puts a person in an altered state of consciousness
chemicals that affect our nervous system , modify stuff.
desire to obtain and use drug
means that you become used to the doses of that drug, so person increases doses
needs to take the drug to prevent the occurence of painful withdrawal systems
stop using the drug
increase activity of the central nervous system and result in alertness
can be smoked, snorted, and produces an almost intaneous high.
produces increased heart rate
produces arousal, improved reaction times
triggers the brains reward and pleasure centers to produce good feelings
pleasurable state between awake and sleep. hot and cold flashes
produce strange and unusual perceptual sensory experiences which the person sees or hears but knows that they are not occuring reality
strange experiences, visual hallucinations, perceptual distortions. alter tstate of mind
produces pleasant and relaxed feelings, medium doses produce distortions in time, induce psychotic states
active ingrediant in peyote cactus, creates hallucinations. aches and vomiting
manufactured of synthetic drugs that are designed to resemble already existing illegal psychoactive drugs.
MDMA or ecstasy
resembles both mescaline and amphetamine. heightens sensations, gives a euphoric rush, raises body temperatures
depressant, depresses activity of the central nervous system. most people think it's a stimulant.
primary ingrediant is THC
kind of learning which a neutral stimulus acquires the ability to produce a response that was originalls produced from a different stimulus
law and effect
says that if some random actions are followed by a pleasurable consequence , such actions are strengthened and will likely occur in the future
consequences that follow some behavior increase or decrease the likelihood of that behaviors occurence in the future
involves mental processes, observation or imitation
causes sensory response, such as being seen, heard or smelled but not produce the reflex
salivation or eye blink
formerly neutral stimulus that has acquired the ability to elicit response that was previously elicited by the unconditioned response.
elicited by the conditioned stimulus
procedure in which a conditioned stimulus and the conditioned stimulus tends to no longer elicit the conditioned response
the older smell that you didnt like comes back up and reminds you of it again
usefullness of certain abilities or traits that have evolved in animals and humans and tend to increase their chances of survival
associating a particular sensory cue withh getting sick and thereafter avoidin that taste
refers to the phenomenon that animals and humas are biologically prepared to associate some combinations of conditioned and unconditioned stimuli more easily than othersq
refers to feelings of nausea that are elicited by stimuli associated with nausea inducing chemotherapy treatments
procedure based on classical conditioning, in which a person imagines fearful stimuli and then imeediately uses deep relaxation to overcome the anxiety.