PSY100H1 Lecture Notes - Lecture 5: Cerebral Cortex, Action Potential, Autonomic Nervous System
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PSY100H1 Full Course Notes
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Endocrine system: uses hormones, slower communication, longer effects and widespread. Released into the blood stream by endocrine glands. Chronic activation leads to high blood pressure, heart and kidney failure. Returns the body to its normal state opposing functions of the. Chronic activation leads to sympathetic, work in a complementary fashion low blood pressure, depression and withdrawal. Motor neurons: from brain to the muscles cns -> muscles/skin/joints (efferent pathway) Sensory neutrons: send signals to the brain (afferent pathway) Hormone travels through a releasing factor release a hormone bloodstream to the targeted body eg. the hpa axis. Increase the likelihood that the neuron will fire. Decrease the likelihood that the neuron will fire. More sodium outside (na+) and more potassium inside (k+) Chemical substances that carry signals from one neuron to another. Causes vesicles to fuse to the presynaptic membrane. Motor control between nerves and muscles; learning, memory. Controls life sustaining functions of the autonomic nervous system.
