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Relationship to autismEdit
Abnormal blood flow in the Pars Opercularis has been shown to be an indicator for autism. Previous theories had tied autism to abnormalities in the cerebellum, due to the fascination with spinning exhibited by autistic children. 1
- "Neuroscientist Mirella Dapretto of the University of California Los Angeles and her colleagues surveyed the brains of 10 autistic children and an equal number of nonautistic children as they watched and imitated 80 different faces displaying either anger, fear, happiness, sadness or no emotion. By measuring the amount of blood flowing to certain regions of the children's brains with a magnetic resonance imaging (MRI) machine, the researchers could determine what parts of the brain were being used as the subjects completed the tasks. The autistic children differed from their peers in only one respect: each showed reduced activity in the pars opercularis of the inferior frontal gyrus--a brain region located near the temple." 2
|Telencephalon (cerebrum, cerebral cortex, cerebral hemispheres) - edit|
frontal lobe: precentral gyrus (primary motor cortex, 4), precentral sulcus, superior frontal gyrus (6, 8), middle frontal gyrus (46), inferior frontal gyrus (Broca's area, 44-pars opercularis, 45-pars triangularis), prefrontal cortex (orbitofrontal cortex, 9, 10, 11, 12, 47)
temporal lobe: transverse temporal gyrus (41-42-primary auditory cortex), superior temporal gyrus (38, 22-Wernicke's area), middle temporal gyrus (21), inferior temporal gyrus (20), fusiform gyrus (36, 37)
limbic lobe/fornicate gyrus: cingulate cortex/cingulate gyrus, anterior cingulate (24, 32, 33), posterior cingulate (23, 31),
Some categorizations are approximations, and some Brodmann areas span gyri.
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