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20 terms

psych chapter 5

STUDY
PLAY
consciousness
our awareness of ourselves and the environment, changes in predictable ways without help from drugs
biological rythm
periodic fluctuation in a biological system, may or may not have psychological implications
circadian rythm
biological rythm with a period of about 24 hours
SCN suprachiasmatic
area of brain containing biological clock that governs circadian rythms
melatonin
a hormone secreted by the pineal gland that is involved in the regulation of daily biological rythms
seasonal affective disorder
a controversial disorder in which a person expereinces depression during winter and improved mood in spring
REM sleep
sleep periods characterized by eye movement loss of muscle tone and vivid dreams
sleep apnea
disorder in which breathing briefly stops during sleep causing person to choke and gasp and awaken
lucid dreams
dreamer is aware of dreaming
psychoanalytic theory of dreams
they allow us to express forbidden or unrealistic wishes and desires that have been forced into the unconscious part of the mind and disguised as symbolic images
cognitive approach to dreams
emphasizes current concerns but it makes no clams about problem dolving during sleep
activation synthesis theory of dreams
dreams are not children of an idle brain rather they are result of neurons firing in pons
hypnosis
procedure, practitioner suggests changes in a sunjects sensations, perceptions, thoughts, feelings, behavior
sociocognitive explanation of hypnosis
effects of hypnosis result from an interaction between the social influence of the hypnotist and the abilities, beliefs and explanations of the subject
psychoactive drugs
drugs capable of influenceing perception, mood, cognition, or behavior
stimulants
drugs produce feelings of excitement confidence and well being or euphoria, speed up activity in CNS
depressants
drugs that slow activity in the CNS
opiates
drugs that relieve pain and produce euphoria
tolerance
increased resistance to a drugs effects accompanying continued use
think drink effect
men behaved more belligerentlyw hen they thought they were drinking vodka than when they thought they were drinking water, regardless of the actual content