Deaf people who use sign language typically a) demonstrate greater mathematical competence than hearing persons. b) process language in their left cerebral hemisphere. c) have better communication skills than hearing persons. d) have a smaller corpus callosum than hearing persons.

The answer is: B. process language in their left cerebral hemisphere.

The left cerebral hemisphere held the function to make people able to process and understand the spoken language. When a communication is done verbally, individuals will mostly utilize their left cerebral hemisphere in order to process the language/

The right cerebral hemisphere held the function to make people able to process visual information.  But, When communication is done through sign language studies show that deaf people still mostly lustily their left cerebral hemisphere.  It's just that they also activated a lot of areas in their right brain compared to non-deaf individuals.

answer; (b) binge eating disorder;