PSYB32H3 Chapter Notes - Chapter 5: Synaptic Pruning, Dyslexia, Neuroglia
Document Summary
Chapter 5- the child"s growth: brain, body, motor skills, and sexual maturation. Cerebrum: a mass of tissue that embodies not only attributes particular to humans such as speech and self awareness attributes shared with other vertebrate animals such as sensory perception, motor abilities, and memory. It is the connected hemisphere of the brain. Cerebral cortex: the covering layer of the cerebrum that contains the cells that control specific functions, such as seeing, hearing, moving, and thinking. Contains about 90% of the brain"s cell bodies. Most neurons are present in the brain b the 7th month of gestation. During the embryonic period, neurons multiply at a very rapid pace in a process called neuron proliferation: about 250,000 new neurons born every minute. Adult brain has the capacity to regenerate nerve cells. Neural migration ensures that all parts of the brain are served by a sufficient number of neurons. Absence of sufficient neurons associated with mental disabilities 9ex: dyslexia, schizophrenia)
