People with autism may be more likely than others to have synesthesia, a condition in which people experience a mixing of their senses, such as hearing tastes and shapes, and seeing numbers in colors, ...

Sensory symptoms have been observed since early reports of autism spectrum conditions but historically were thought to represent secondary consequences of differences in social-cognitive processing.

Kanner, in his ground-breaking “Autistic Disturbances of Affective Contact” (1943), described numerous examples of atypical sensory processing in his case studies of autistic children, as well as how ...