Psychology 1000 Lecture Notes - Lecture 3: Functional Magnetic Resonance Imaging, Magnetic Resonance Imaging, Autonomic Nervous System

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas- De Hoog

Document Summary

Peripheral nervous system: branches out from the cns to all parts of the body, afferent pathways: Neurons that carry signals from the sensory receptor cells to the brain. Neurons that carry messages from the brain and spinal cord to effectors and spinal cord: efferent pathways: cells in the muscles and glands. Efferent pathways: divided into two systems: Somatic nervous system: nerve fibres running to skeletal muscles, control voluntary actions. Autonomic nervous system: controls muscles running to internal organs and glands. Autonomic nervous system: further divided into two systems: Sympathetic division: mobilizing the body"s resources for action. Parasympathetic division: dominates under conditions of relaxation, conserve and replenish body"s energy, decreases heart rate, and blood pressure. Brain damage studies: animal studies, measures of verbal and non-verbal behaviour that are known to be effected by. Areas of the brain are damaged or surgically removed and evaluate effect: human studies: Study effects of damage following accident, stroke, or surgery.