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PSYCH PAPER 3
Psychopathology
Neural and genetic explanations for OCD
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Neural and genetic explanations for OCD AO3
PSYCH PAPER 3 > Psychopathology > Neural and genetic explanations for OCD
13 cards
Cards (24)
What neurotransmitter is involved in the neural explanations for OCD?
Serotonin
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How does low serotonin levels affect mood-based information transmission?
It affects the transmission of the
mood-based
information that
serotonin
carries
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What might result from
low levels
of
serotonin
in the
synapse
?
It might result in
obsessive
thoughts
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Which specific brain area is mentioned as being involved in OCD?
The
parahippocampal gyrus
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What role does the parahippocampal gyrus play in relation to OCD?
It is involved with the processing of
unpleasant emotions
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What might deficiencies in the parahippocampal gyrus lead to?
They may lead to
OCD
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What specific gene marker is mentioned in the genetic explanations for
OCD
?
SERT
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What does the SERT gene affect?
It affects the
transport
of
serotonin
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What do family studies indicate about the prevalence of OCD among first-degree relatives?
They indicate a
higher
percentage (
10
%) of
first-degree
relatives having this disorder compared to the
prevalence
in society (
2
%)
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What does the term "polygenic" refer to in the context of OCD?
It refers to the idea that
OCD
could be
influenced
by
multiple genes
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How many genes did Taylor propose could be involved in OCD?
Up to
230
genes
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See all 24 cards
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