A graphical representation of a frequency distribution in which vertical bars centered above scores on the x-axis touch each other is a _____

Support for a neurodevelopmental basis of autism spectrum disorder is found in

A) overactivation in certain areas of the brain that are associated with facial recognition and the recognition of facial expressions. B) low levels of specific neurotransmitters in children with the disorder. C) unusually accelerated head and brain growth in the first few years of life. D) an identified specific genetic mechanism that causes brain abnormalities.

When the hippocampus forms many new neurons, what is the effect on memories?

a. Better retention of procedural memories b. Prolonged retention of short-term memories c. Increased capacity of short-term memory d. More rapid forgetting