People with autism often have difficulties with social interactions. It is possible that their impaired ability to read socially significant biological motions such as a high-five or a handshake and differentiate them from non-biological motions is cause of this difficulty.

Movement Identification and Social Interaction in Autists

The MT/V5 region in both neurotypical children and children with autism responds relatively equally to biological and non-biological motion. However, the superior temporal sulcus responds more strongly to biological motion in neurotypical children, but shows no difference in autistic children.

Hofstra University

The superior temporal sulcus is a section of the brain that responds more  strongly to biological motion than non-biological motion.

Superior Temporal Sulcus

Brain Region MT/V5 is a part of the brain that is sensitive to both biological and non-biological motion.

Brain Region MT/V5

Kandel, E. R. (2019). Our Intensely Social Nature: The Autism Spectrum. In The disordered mind: What unusual brains tell us about ourselves (p. 35-40). essay, Farrar, Straus and Giroux.

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