A group of investigators are shedding a new light on the brain due to the effect of autism. The team has identified that connectivity between a deep brain structure crucial for sensory and motor functions called as thalamus, and the brain’s outer layer called as cerebral cortex, is diminished in children with autism spectrum disorders. The researchers used the state-of-the-art techniques such as, combining the functional and anatomical magnetic resonance imaging (fMRI) techniques and diffusion tensor imaging (DTI) to examine connections between the cerebral cortex and the thalamus.
For many functions, such as hearing, vision, movement control and attention, the thalamus is a crucial brain structure. The pathways connecting the cerebral cortex and thalamus were found to be affected, in the children with autism, indicating that these two parts of the brain do not communicate properly with each other. The connectivity that is impaired implies that it is not simply a disorder of communicative and social abilities, but also affects a broad range of motor and sensory systems.
Disturbances in the development of both the structure and function of the thalamus may play a role in the emergence of social and communicative impairments, which are among the most eminent and distressing symptoms of autism. The research focuses on how brain abnormalities can explain developmental disorders such as autism and what happens when development is impaired. These imaging techniques use large magnets to safely take images of the brain and can pinpoint structural features of the brain as well as regions of brain activity
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Harry Kelly is a Medical Student and a freelancer who is specialized in writing. He is associate with many Pharmacies for whom he writes articles based on generic drugs and general health related issues.
