Transcript 4_Mood_Disorders

Mood Disorders
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Major Depression
A form of depression that does not
alternate with mania
Copyright © Allyn & Bacon 2007
Major Depression
The most common mood disorder
Causes?
--Involves a genetic predisposition and biological basis in the
decrease of certain neurotransmitters.
--Activity levels in frontal left lobe also implicated.
--In some cases, depression may be caused by a viral infection
--Or perhaps it is a collection of disorders having a variety of causes
Biologically alone can not explain depression…
it is a mental, social and behavioral condition.
--May not be just biological…a cognitive-behavioral
explanation says a negative event along with low
self esteem/ pessimistic attitude may lead to
depression.
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Symptoms of Major Depression
Agitation, restlessness, and irritability
Dramatic change in appetite, often with weight gain or loss
Extreme difficulty concentrating
Fatigue and lack of energy
Feelings of hopelessness and helplessness
Major
depression
is
when
a
person
has
five
Feelings of worthlessness, self-hate, and inappropriate guilt
or
more symptoms
of depression
at least
Withdrawal
from usual activities,
a loss of interestfor
or pleasure
in activities that weretwo
once weeks.
enjoyed
Thoughts of death or suicide
Trouble sleeping or excessive sleeping
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A mild form of
depression
Dysthymia
• Shows less than 5
symptoms of
depression for
more than 2 years
• No major
depressive element
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Seasonal Affective Disorder (SAD)
A form of depression
believed to be
caused by
deprivation of
sunlight such as
during the winter
months.
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Bipolar Disorder
(formerly known as
manic depression)
Mental abnormality
involving swings of
mood from mania to
depression.
Very up to very down
Copyright © Allyn & Bacon 2007