Autism rates seems to have jumped after the widespread use of fluorescent lighting in the 1940's and is higher in countries with 50 cycle per second electrical supply systems over those with 60 cps (more strobe effect). Also autism is seemingly unknown in the Amish community (no electrically based light).
closed as off-topic by AliceD♦ Aug 22 '17 at 22:15
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is not framed within the cognitive sciences. It is based on assumptions which are not made explicit, are not well-motivated (e.g., referenced), or are not held to be true within the cognitive sciences. For more information, see Why was my question closed as “not framed in cognitive sciences”?" – AliceD