autism Flashcards

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1
Q

phenotypic heterogeneity

A

high variability of genes and phenotypes

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2
Q

examples of social differences/symptoms of ASD

A
  • lack of eye contact
  • trouble with:
  • conversation
  • eye tracking
  • judging facial expressions
  • decreased attention to faces
    in the brain:
  • reduce activity in fusiform gyrus
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3
Q

measures in ASD (neuroimiging)

A
  • fMRI: measure oxygyn in brain (active neurons use more oxygen) - do a task and measure bloodflow
  • Event Related potentials (ERPs) using electrodes to measure currents during a task (EEG)
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4
Q

how early on must autism be diagnosed

A

first five years for best treatment success

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5
Q

how to confirm an ASD diagnosis

A
  • behavioural observation
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6
Q

when do ASD symptoms emerge

A

12 months

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7
Q

what part of the brain recognizes emotional states

A

amygdala

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8
Q

what part of the brain gives reward feeling

A

orbital frontal cortex (OFC)

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9
Q

what part of the brain helps in facial recognition

A

fusiform gyrus (FG)

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10
Q

what part of brain helps in intention of others

A

posterior superior temporal sulcus (STS)

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