Which of the following is NOT an explanation for why we sleep?

A common excitatory neurotransmitter,  ____________, plays a role in memory. 

A common neurotransmitter, ____________,is associated with the regulation of sleep, eating, mood, and pain. 

______________ are the basic elements of the nervous system. Their quantity is staggering—perhaps as many as 1 trillion throughout the body are involved in the control of behavior .

_____________ is an extended state of intense, wild elation. People experiencing mania feel intense happiness, power, invulnerability, and energy. 

________________________ seeks to understand how we might inherit certain behavioral traits and how the environment influences whether we actually display such traits.

_____________________ occurs when a person holds two contradictory attitudes or thoughts (referred to as cognitions). 

The tendency to attribute success to personal factors (skill, ability, or effort) and attribute failure to factors outside oneself is the ____________________.

Dream interpretation is a technique used in:

The DNA of newly formed cell will contains