Types of Neuropathy. Peripheral neuropathy is a disorder of the peripheral nervous system, which includes the sensory and autonomic nerves that connect the spinal cord and muscles, skin and internal organs. It usually affects the limbs, causing numbness, prickling and pain.
Gibson and Walk (1960) hypothesized that depth perception is inherent as opposed to a learned process. To test this, they placed 36 infants, 6 to 14 months of age, on the shallow side of the visual cliff apparatus.
1 Although an infant's color vision is not as sensitive as an adult's, it is generally believed that babies have good color vision by five months of age. 2  Most babies start crawling at about 8 months old, which helps further develop eye-hand-foot-body coordination.