Afterimage refers to the visual sensation that remains after a stimulus is withdrawn.

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afterimage at■■■
afterimage that which arises after looking at a visual stimulus, usually for several seconds. - See Positive . . . Read More
Negative afterimage at■■■
Negative afterimage is opposite in brightness and complementary in color to the visual stimulus. Contrast . . . Read More
Positive Afterimage / Positive After-Image at■■■
Positive Afterimage / Positive After-Image means it is similar in brightness and color to the original . . . Read More
Systematic desensitization at■■■
systematic desensitization refers to behavioral therapy technique to diminish excessive fears , involving . . . Read More
Hallucination at■■■
Hallucination refers to an abnormal sensory experience that arises in the absence of a direct external . . . Read More
Constancy hypothesis at■■■
Constancy hypothesis refers to the contention that there is a strict one-to-one correspondence between . . . Read More
Fechner's law at■■■
Fechner's law (p=k log (S)) refers to the logarithmic relation, developed by Fechner, of sensation to . . . Read More
Just noticeable difference (JND) at■■■
Just noticeable difference (JND) refers to the sensation that results if a change in stimulus intensity . . . Read More
Cerebal Palsy at■■■
Cerebal Palsy refers to a non-progressive disorder of movement resulting from damage to the brain before, . . . Read More
Stimulus material at■■■
Stimulus material refers to material of a visual, verbal and/or auditory nature used to communicate certain . . . Read More