The scientific study of behavior and mental processes.

It accelerates an action potential’s movement

Messages from the senses that make up the raw information that affects many kinds of behavior and mental processes

In-depth examinations of one person or a small number of unusual people

Psychologists who emphasize the role of mental processes in explaining behavior take a(n) _______________ approach

The division of the autonomic nervous system associated with rest, repair, and energy storage.

The difference in the peak and the baseline of a waveform

The endocrine system is comprised of a number of glands that release chemical messengers

This is the variable being observed in the experiment

The main divisions of the human nervous system.

The smallest amount of stimulus that can be detected

Highly light-sensitive but color-insensitive photoreceptors in the retina that allow vision even in dim light

A measure of the direction and strength of the relationship between two variables is called ____.

The brain is "divided" into what 4 sections.

An opening in the eye, just behind the cornea, through which light passes

The brain uses incoming signals to construct perceptions

The brain and its activities

A neurotransmitter in brain circuits supporting anticipation of rewards, such as food, sex, and many addictive drugs

A theory of color vision stating that color-sensitive visual elements are grouped into red-green, blue-yellow, and black-white elements

What are the two steps in signal detection?