AP PSYCHOLOGY

Detailed explanation-1: -What’s a Stimulus? Anything that causes an organism to react or respond is called a stimulus (plural: stimuli). Stimuli can be external (outside the organism) or internal (inside the organism).

Detailed explanation-2: -The response of an organism, usually a plant, to an environmental stimulus is called a tropism.

Detailed explanation-3: -What is a response? Response: how the organism reacts to a stimulus and results in a change in behavior. (It is a fancy way of saying “effect”.) Example: Getting a drink when you are thirsty.

Detailed explanation-4: -Environmental stimuli are things that happen in the environment that elicit a response or reaction from a person. For example, a drop in temperature may prompt some people to put on a coat or sweater. A loud thunder boom might elicit a startled jump.

Detailed explanation-5: -Stimuli : Stimulations are detectable changes in the internal or external environment. Anything that affects or causes a temporary increase in the physiological activity or response of the whole organism or part of it. Stimulation is a change in the environmental conditions to which an organism reacts.