Perception .. The ability of the individual to perceive the environment through his senses and the interpretation of its meaning

Perception is the individual's ability to perceive the environment through his senses, and to interpret its meaning. Cognition is disturbed by the occurrence of personal prey for reasons that lead to misinterpretation of sensual stimuli, due to a lack or defect in the same sensory organs or to a deficiency or defect in their function.