PSY 102 Lecture Notes - Lecture 3: Endocrine System, Frontal Lobe, Positron

• School: Ryerson University
• Department: Psychology
• Course: PSY 102
• Professor: Kosha Bramesfeld

Document Summary

All page numbers and figure references are from: lilienfeld, s. o. , lynn, s. j. , woolf, n. j. , cramer: m. & schmaltz, r. (2013). Overview: the neuron, the brain, the nervous system, our genetic blue print. Action potential: when stimulated by signals from our senses or when triggered by chemical signals from neighboring neurons a neuron fires in what is known as an action potential (see figure 3. 4, p. Neurotransmitters: the result of the action potential is that neurotransmitters are released into the synapse for relay to other neurons (see fig. 95-97 of your text discuss some of the more common neurotransmitters. We will learn more about neurotransmitters in chapter 5: graded potentials can be excitatory or inhibitory. If the excitatory inputs prevail over inhibitory inputs to reach a certain threshold, an action potential will occur. The hindbrain: the oldest parts of our brain control arousal, movement, coordination and survival functions (see pp.