Question

perception of external stimuli meaning

Answer 1

In physiology, a stimulus (pluralstimuli) is a detectable change in the internal or externalenvironment. The ability of an organism or organ to respond toexternal stimuli is called sensitivity. When a stimulus is applied to a sensory receptor, it normally elicits or influences a reflex via stimulus transduction.

Answer 2

With respect to sensation and perception a stimuli is typically characterized as fundamental component of transition from environmental information to preception