Exam 2: The Biological Basis of Behavior

Neurons typically have ________.

An elderly female is diagnosed as having Alzheimer's disease. Her physician tells her the disorder involves a deficiency of ________.

Afferent neurons carry messages to the central nervous system.

Research on human brain tissue has found that human brains are ________.

The brain and spinal cord contain about ________ percent of the body's neurons.

Discuss how the brain controls language in humans, identifying the key structures involved in language processing and describing the effects of damage to these areas.

Immediately after firing, a neuron cannot fire again no matter how strong the incoming messages may be. This period is called the ________ period.

Messages from the sense receptors are registered in those areas of the brain called the ________.

The action potential causes neurotransmitters to be released into the ________.

Anesthetics work primarily by shutting down the ________.

Neurons that carry messages from the sense organs to the spinal cord or the brain are called ________ neurons.

________ has long been linked to aggressive behavior.

Simply put, Broca's area is important for ________, and Wernicke's area is important for ________.

Strain studies involve ________.

When a neural impulse reaches the end of an axon, it causes tiny oval sacs at the end of the axon to release chemicals called ________.

Depression is linked to an ________.

Neurons that collect messages from sense organs and carry those messages to the spinal cord or the brain are called ________.

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

The term "gray matter" refers to ________.

From an evolutionary perspective, for mate selection in humans, it is most advantageous for ________.