PSY 436LEC Lecture Notes - Lecture 1: Central Nervous System, Paul Broca, Carl Wernicke
Document Summary
Scientific study of the relationship and the brain. Draws from many disciplines, including anatomy, biology, pharmacology, and philosophy. 2 ideas that influence experimental and theoretical investigations of brain function. The brain hypothesis - the brain is the source of behavior. The neuron hypothesis - the unit of brain structure and function is the neuron. Hemispheres are connected by commissures, the largest is the corpus callous. 2 symmetrical hemispheres, the right hemisphere and the left hemisphere. Outer layer of wrinkled tissue known as cerebral cortex. Divided into 4 lobes - frontal, temporal, parietal, occipital. Performs higher functions like thinking, perception and planning. Connected to brainstem and descends down the back. The brain and spinal cord are both protected by bone tissue does not regenerate after damage. Sensory pathways - collect information from the senses and send it to the cortex via the somatic nervous. Motor pathway - nerve fibers that connect the brain and spinal cord to the body"s muscles .
