Note, however, that overt responses by the subject are not required to elicit the N400-passively viewing stimuli will still evoke this response.

For instance, a painful stimulus on the hand may evoke a quick removal of the hand through the contraction of certain muscles.

On the other hand, an anti-worm stimulus evoked a different set of avoidance behaviors: planting down or crouching.

The same stimulus may evoke any one of a large number of responses depending upon the contextual setting in which it is placed".

These kinds of tests can be divided into recordings of: (1) spontaneous or continuously running electrical activity, or (2) stimulus evoked responses.

Hyperpathia is a clinical symptom of certain neurological disorders wherein nociceptive stimuli evoke exaggerated levels of pain.

This should not be confused with allodynia, where normally non-painful stimuli evoke pain.

For example, if the environmental stimulus evokes the response, the tact would be considered pure.

A stimulus that is present when a drug is administered or consumed may eventually evoke a conditioned physiological response that mimics the effect of the drug.

Electrical stimuli to the auditory nerve evoke a graded excitatory postsynaptic potential in the octopus cells.