EYES

PERCEPTUAL PROCESS

STIMULUS

ELECTRICITY

EXPERIENCE AND ACTION

KNOWLEDGE

ENVIRONMENTAL STIMULUS

RECEPTORS

TRANSDUCTION

TRANSMISSION

PROCESSING

PERCEPTION

RECOGNITION

ACTION

KNOWLEDGE

BOTTOM-UP PROCESSING/DATA-BASED PROCESSING

TOP-DOWN PROCESSING/ KNOWLEDGE-BASED PROCESSING

PSYCHOPHYSICS

PHYSIOLOGICAL APPROACH TO PERCEPTION

COGNITIVE INFLUENCES ON PERCEPTION

DESCRIBING

RECOGNIZING

DETECTING

PERCEIVING MAGNITUDE

SEARCHING

CLASSICAL PSYCHOPHYSICAL METHODS

PSYCHOPHYSICAL APPROACH

ABSOLUTE THRESHOLD

METHOD OF LIMITS

METHOD OF ADJUSTMENT

METHOD OF CONSTANT STIMULI

DIFFERENCE THRESHOLD (DL)

"MAGNITUDE ESTIMATION" TECHNIQUE