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The amygdala, cerebellum, and many other brain regions have been implicated in autism. [15]Unlike some brain disorders which have clear molecular hallmarks that can be observed in every affected individual, such as Alzheimer's disease or Parkinson's disease, autism does not have a unifying mechanism at the molecular, cellular, or systems level.
Patients with autism have overall higher levels of cortical gyrification, [42] but only in the temporal, parietal, and occipital lobes, as well as part of the cingulate cortex. [43] The higher levels of gyrification are found to relate to greater local connectivity in autistic brains, suggesting hyperconnectivity.
The physical underpinnings of the cause for differences in the memory of autistic people has been studied. Bachevalier suggests a major dysfunction in the brain of an autistic individual resides in the neural mechanisms of the structures in the medial temporal lobe (MTL) and perhaps, more specifically the amygdaloid complex. [46]
The human brain has millions upon millions of nerve fibres, and connections (like switches) between those fibres. Different areas of the brain specialize in different functions. Some areas have vast amounts of wiring (or very highly active wiring), and some have more sparse (or less active) wiring. Everybody's brain is unique.
Different underlying brain dysfunctions have been hypothesized to result in the common symptoms of autism, just as completely different brain types result in intellectual disability. [1] [5] In recent years, the prevalence and number of people diagnosed with the disorder have increased dramatically. There are many potential reasons for this ...
Autistic people struggle to understand the social context and subtext of neurotypical conversational or printed situations, and form different conclusions about the content. [110] Autistic people may not control the volume of their voice in different social settings. [111] At least half of autistic children have atypical prosody. [111]
For Rebecca Dingwell, who had "long suspected my brain worked differently than many of my peers," she started to realize she might be on the spectrum after reading various autistic writers and ...
Vitamin B12: The researchers found that, overall, B12 levels in the brain tissue of autistic children were three times lower than those of the brain tissue of children not affected by ASD. This lower-than-normal B12 profile persisted throughout life in the brain tissues of patients with autism. These deficiencies are not visible by conventional ...