DYSPHORIA-BIOLOGICAL Flashcards

1
Q

Brain sex theory what is the BST

A

Bed Nucleus of the Stria Terminalis

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2
Q

what does the BST do

A

emotional responses and sexual behaviour in male rats

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3
Q

how does it lead to GD

A

the size of the BST matches with the gender that they identify with as they always felt that they was born into the wrong sex

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4
Q

smaller BST for men or women

A

Women

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5
Q

who studied genetic factors

A

coolidge

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6
Q

coolidge asked how many twins and found what variance

A

157 (96 MZ 61 DZ)
found 62% of the variance could be accounted for in genetics

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7
Q

how many twins did Heylens study and with what concordance rate was found when one had GD

A

23 MZ 21DZ
39% were concordant compared to NONE of the DZ

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8
Q

limitation- contradictory evidence

A

HULSHOFF studied DURING hormone treatment and found changes in size
ZHOU studies AFTER
may just be hormone therapy

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9
Q

strength-other brain differences

A

RAMETTI- regional differences of white matter studied BEFORE hormone treatment and matched the GI

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