PSY 206 Lecture Notes - Lecture 17: Psy, Myelin
Document Summary
Provide a generalization to each of the key terms listed in this section. 0. 1 myelin sheath: insulates and protects the axon, fat, which are also called called lipids. Presynaptic buttons/terminals: sends signals to the messages to the next cells. 0. 3 synapses: tiny gaps between nerve cells, nerve cells dont actually touch one another. 0. 4 neurotransmitters: neurons produce tiny quantities of powerful chemicals that are released into the synapse as a message is being sent from one cell to the next. 0. 5 dopamine: worlds most powerful drug, causes pleasure. The left hemisphere is connected to the behaviors on the right and vice versa. 0. 7 fun fact: most people (about 90%) are right-handed, about 10% of all people are left-handed. 0. 8 right side vs. left side: right side. 0. 9 corpus callosum: connects the two sides of the brain, allows them to communicate. 0. 10 seizures: when the corpus callosum is not functioning.
