PSYC 2390 Lecture Notes - Lecture 1: Fluid Compartments, Extracellular Fluid, Multiple Sclerosis

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2390
• Professor: Lana Trick

Document Summary

Proximal stimulus you respond to the light (not the actual box) Phase 1: transduction energy changing one form to another (energy out in the world has to hit your body, and that energy has to change to an interpretable energy) ex. Kanisza necker cubes --> can interpret something in different ways. Cell body genetic information (how to be a neuron) Axon sends information out, perception uses the axons ability to send information at a different rate. 2 miles/hour 224 miles/hour: myelin sheath speeds transmission of information. Myelin develops head to toe, and laterally. With multiple sclerosis myelin deteriorates, slowly lose control of their body. How does electricity travel inside a neuron? (pre synaptic transmission) Squid (invertebrate; no myelin) have giant axons to send signals quickly. There is a wire from voltmeter in intracellular fluid and one in the extracellular fluid. Measures the difference of voltage graphs oscilloscope trace on computer.