The central nervous system is made up of the spinal cord and brain and is the central processing center for all stimuli. Peripheral nervous tissue consists of nerves made up of nerve cells called neurons. Nerves extend all over the body, from the tips of the fingers to internal organs.They form a long line of connectivity, like a chain of paper clips linked together.ervous tissue is composed of three main parts: nerves, the spinal cord and the brain. The primary function of nervous tissue is to receive stimuli and send the impulse to the spinal cord and brain.
Medical model is a term in psychology, indicating the assumption that abnormal behavior is the result of physical problems and should be treated medically. Sometimes this is clearly true, as with traumatic brain injury.
Evolutionary psychology. Evolutionary psychology is a theoretical approach in the social and natural sciences that examines psychological structure from a modern evolutionary perspective. It seeks to identify which human psychological traits are evolved adaptations â that is, the functional products of natural selection or sexual selection in human evolution. Adaptationist thinking about physiological mechanisms, such as the heart, lungs, and immune system, is common in evolutionary biology. Some evolutionary ...