When a percept is activated by sensory data it
evokes a symbol of that data. Thus, a dog has a
percept 'man' (a mental picture with two arms, two
legs, a head and a certain smell but with
Concepts involve the recognition of the process of percept symbolism and subsequent advancement to abstract symbolism. (Note: The act of forming percepts is contextual data.)
A concept is, in part, a percept with an abstract
rather than a representational form.
A man without a symbolic language is qualitively no better than a dog or any other animal except that he possesses the capacity to develop it.