This is sensory specific (i.e. visual-, acoustic-, tactile-, and olfactory perception etc.) and task or reasoning specific (i.e. formulation of intuitive theories).
Though their antennules retain their sensory function, the main second antennae of the adult females are adapted to clinging to the gill filaments of host fishes.
The retina of the eye is also a two-dimensional array of receptors but the brain is able to perceive the nature of three-dimensional objects by inference from indirect information (such as shading, foreshortening, binocular vision, etc.).
Sensory receptor, in physiology, any structure which, on receiving environmental stimuli, produces an informative nerve impulse
:*Ampullae of Lorenzini respond to electric fields, salinity, and to temperature, but function primarily as electroreceptors
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