PSYCH 133B Lecture Notes - Lecture 4: Habituation, Joint Attention, Interposition
Document Summary
The baby, assailed by eyes, ears, nose, skin, and entrails at once, feels it all as one great blooming, buzzing confusion . Sensation the physical processing of detecting sensory information. Perception the psychological process of interpreting or making sense of sensory information. Stimulus sensory receptors neural impulses perception. Sensation from sense organs turns into the neural input to the perception. So researchers have devised genius techniques that utilize infants" natural behaviors! Listening and looking natural behaviors researcher utilitize it. At birth, neural pathways are well developed. But fetus is not exposed to much if any visual stimulus. Pupil ajust itself in size according to the amount of light. Large if dim light to let more light in. Photoreceptors transform light into a neural signal (transduction) Message sent to brain via optic nerve. Video camera is looking at baby"s eye. Computer is going to capture the child"s behavior when whatever stimuli is being displayed.
