1.4 Definition of Stimulus
Before we get started, let’s briefly review some terms with which you should already be familiar. The first is stimulus, which can be defined as a physical energy change capable of affecting an organism through one of its sensory receptors or free nerve endings.
| Term | Definition |
|---|---|
| Stimulus | A physical energy change capable of affecting an organism through one of its receptors: photoreceptors, phonoreceptors, chemoreceptors (gustatory and olfactory), mechanoreceptors (touch), thermoreceptors, and free nerve endings. |
Stimulus can also be unconditioned and conditioned.
a stimulus is can also be defined as anything that influences behavior
a physical energy that effects an organism
stimuli affect organisms through receptors
A stimulus is an energy change that affects an organism through its receptor cells.
According to Medical Encyclopedia, a stimulus is anything that can trigger a phisical or behavioral change.
Stimuli may arise from within (and be caused by) the organism which receives it.
Stimuli can affect both positively and negatively in terms of unconditioned and conditioned controls
Stimuli could include anything that triggers sensory responses in smell, taste, temperature, sight, or hearing as well.
A stimulus is a physical energy that affects organism.
A stimulus can be defined as a physical energy change.