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.

The study of mental processes such as "attention, language use, memory, perception, problem solving, creativity, and thinking."

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.

What is the parietal lobe, temporal lobe, occipital lobe and frontal lobe

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.

1) Intensity of stimulus
2) Observer's physical and psychological state