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depression
state of abnormally low mood, with emotional, cognitive, motivationl, and/or physical features
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mania
state of abnormally high mood, with emotional, cognitive, motivational, and/or physical features
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melancholia
an early historical term for depression
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unipolar disorders
mood disorders in which an individual experiences only abnormally low moods
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bipolar disorders
mood disorders in which an individual experiences both abnormally low and high moods
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mood episodes
periods of abnormal mood that are the building blocks of the dsm-iv-tr mood disorders
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major depressive episode
a two-week or longer period of depressed mood along with several other significant depressive symptoms
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manic episode
a one-week or longer period of manic symptoms causing impairment in functioning
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hypomanic episode
a less extreme version of a manic episode that is not severe enough to significantly interfere with functioning
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major depressive disorder
the occurance of one or more major depressive episodes
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dysthymic disorder
two years or more of consistently depressed mood and other symptoms that are not severe enough to meet criteria for a major depressive episode
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Bipolar I disorder
combination of major depressive episodes and manic episodes
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Bipolar II disorder
combination of major depressive episodes and hypomanic episodes
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cyclothymic disorder
two years or more of consistent mood swings between hypomanic highs and dysthymic lows
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monoamines
a class of neurotransmitters involved in mood disorders, including norepinephrine, dopamine, and serotonin
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monoamine hypthesis
the hypothesis that depression is partially caused by insufficient neurotransmission of monoamines
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cortisol
a hormone released by the pituitary gland in response to stress
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tricyclies
a "first generation" class of antidepressant medications which increase the availability of both serotonin and norepinephrine
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MAOI
a "first generation" antidepressant; they inhibit the enzymes that oxidize monamines thus enhancing neurotransmission
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SSRI's
a "second generation" class of antidepressant medications that block the reuptake of serotonin from the synapse; used in the treatment of depression and other disorders
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ECT (electroconvulsive therapy)
a biological intervention for severe depression involving sending electric current thought the skull to produce seizures
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lithium
a naturally occuring salt that is the main mood stabalizing medication for bipolar disorders
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negative cognitive triad
irrationally negative thinking about the self, the world, and the future
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negative automatic thoughts
negative thoughts generated by negative cognitive schemas
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cognitive distortion
irrational beliefs and thinking processes
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learned helplessness
cognitive-behavioral theory in which animals give up adaptive responding after prior experience with inescapable punishments
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pessimistic explanatory style
the tendency to make internal, global, and stable explanations of negative events
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cognitive triad
in cognitive theory, the triad consisting of one's self, one's future' and one's world
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superego
in Freud's strucural theory, the part of the mind that ocntains morla judgments and evaluates the self
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interpersonal pychotherapy (IPT)
an influential current treatment for depression that integrates pychodynamic, cognitive, and behavioral components
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