Exam 2: The Biological Basis of Behavior

Studies of heritability in humans that assume that if genes influence a certain trait, close relatives should be more similar with that trait than distant relatives are called ________ studies.

A "split-brain" patient is asked to stare at a spot on a screen. When a picture of an object is shown to the right of the spot, the patient can ________.

Recent evidence suggests that glial cells and astrocytes may play an important role in ________.

The division of the nervous system that connects the brain and spinal cord to the rest of the body is the ________ system.

The complex molecule that forms the code for all genetic information is ________.

Phineas Gage was a foreman on a railroad crew who suffered brain damage in a blasting accident. After the accident, he lost interest in his job and had difficulty maintaining any goal-directed behaviors. He seemed apathetic and capable of only shallow emotions. The damaged part of his brain was probably the ________ lobe.

The function of the neuron's axon is to ________.

An imaging technique that has been useful in helping researchers discover the biological origins of attention-deficit hyperactivity disorder is ________.

The scientist who proposed the mechanism of natural selection to explain the process of evolution was ________.

How can the nervous system represent increases in the intensity of a stimulus?