Most psychologic textbooks contain a selection from the experimental work on visual perception, but no book covers the entire field in a comprehensive and detailed manner except this one by Miss Vernon. Her aim has been to make the treatment thorough but to avoid any preconceived theoretical bias in the interpretation of the facts.
The material in the book falls under four main headings. First there is an account of the phenomenal development of the perceptual process up to the final stage of meaning and the reaction tendencies. The second section deals with the relation of the perceptual content to certain of the affective states and attitudes. The third section treats of the objective structure of the perceptual field. In the fourth section there is a description of the genetic development in childhood of the perceptual content. Finally she turns to the classification of individual differences.
Miss Vernon admits that