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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.
It discusses Grandin's life experiences as a person with autism from the early days of scientific research on the topic and how advances in technology have revolutionized the understanding of autism and its connection to the brain. Different releases of the book came with alternative subtitles, including Exploring the Strength of a Different ...
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11]
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 ...
Neurodevelopmental disorders are a group of mental conditions affecting the development of the nervous system, which includes the brain and spinal cord.According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, published in 2013, these conditions generally appear in early childhood, usually before children start school, and can ...
Neurotypical – (or NT) is a term that was coined in the autistic community as a label for non-autistic people who have no brain-related health conditions or disabilities: specifically, neurotypical people have neurological development and states that are consistent with what most people would perceive as normal, particularly with respect to ...
The theory argues that characteristics and experiences of autistic and non-autistic people are so different that it is hard for one to understand how the other thinks and empathize with each other; for example, non-autistic people may not understand when an autistic person is overwhelmed. [136]
Rett syndrome brain samples and autism brain samples show immaturity of dendrite spines and reduction of cell-body size due to errors in coupled regulation between MECP2 and EGR2. [62] However, because of the multigene involvement in autism, the MECP2 gene has only been identified as a vulnerability factor in autism. [ 63 ]