Collectively, the rods and cones are known as:

A experiment in which two individuals are placed in separate rooms while one tries to send information and the other tries to receive it without use of any of the senses is using the _____ procedure

a) ESP b) Ganzfeld c) telepathy d) double blind

Children with autism spectrum disorders

A) have outstanding mathematical abilities. B) are more likely to be girls. C) develop their illness after a vaccination. D) score low on IQ tests.