PSYCH 1XX3 Chapter Notes - Chapter 3: Pineal Gland, Reductionism, Motor Neuron
Document Summary
Everything you have ever thought, remembered, or perceived involved a series of electrochemical events in the cns. Meaning you have no direct experience of the world around you. Electrochemical processes will always be in between your awareness and the outside world. Provides us with a map or blueprint of the brain"s architecture. Brain and spinal cord are both encased in bone (skull, vertebral column), make up the cns, and remaining nerve tissue constitutes the pns. Brain weighs 3. 0 3. 5 pounds, making up 2% of our total body weight but burning 20% of our oxygen intake when we are at rest. Reductionism: difficult to elaborate complex behaviours, with the activity and connections of 100 billion neurons, becomes so accurate it"s futile. Rene descartes (1596 1650) dualist body was like a machine, and distinct form the mind, which was anon-physical entity that did not follow physical laws.
