An Introduction to the Theory of Perception

activities adaptation already animals appear Arch associated attention become behaviour birds body Brain cells centres changes characteristics colour complex connections consciousness correlation curves depends derived differentiation direct discrimination dorsal dyscritic effect epicritic evidence example experience fact factors fatigue fibres field fishes functions gives green head higher important impulses increased induction instinctive integration intensity lateral less light lines lower meaning mechanism medial motor movement moving muscles nerve nervous normal nucleus objects observations occurs optic organs pain pass pattern perception perceptual pattern Physiol physiological position posterior present primitive probably processes protopathic Psychol psychological reactions receives receptors reflex regarded relation relatively response retina sensations sense sensibility sensory shown side similar space specially species spinal stage stimulation subserved tactile tectum term thalamus theory tone touch tracts ventral vertebrates Vide vision visual Zeitschr