Perceptual depicts the auditory, visual, tactual and kinesthetic styles whereby learners learn more effectively. Cats, like rats, are nocturnal animals, sensitive to tactual cues from their vibrissae. Monkeys with lesions in the perirhinal and parahippocampal cortices also show impairment on tactual recognition. Professor Appelle's research focused on visual and tactual perception, and in particular on object orientation. All perceptions mediated by cutaneous and kinaesthetic sensibility are referred to as tactual perception. However, within a week, the ability to compare tactual with visual representations is achieved.