Nick Samuels Psychology 101 section 001C February 2 2022 Part 1 Intro to a Neuron A Cell Body Organizes and keeps the cell functional B Nucleus Controls the entire neuron C Dendrite Receive signals from other cells D Axon Transfers signals to other cells and organs E Myelin Sheath Increases the speed of the signal F Node of Ranvier Allows diffusion of ions G Axon Terminal terminal buttons Forms junctions with other cells Part 2 Intro to the Brain A Thalamus Switchboard in the brain sends and receives information B Reticular Formation Regulates attention and states of alertness and arousal C Pons Bridge to the cerebellum Regulates states of wakefulness and sleep D Medulla Conveys the sensory info from the spinal cord to the forebrain controls the basic bodily processes The Limbic System The Cerebral Cortex A hypothalamus Helps regulate many vital bodily functions ex hunger and thirst B pituitary gland controls all the hormones in the body C amygdala Emotional center in the brain fear and anger D hippocampus Central to memories making and remembering memories 1 Frontal lobe Control motor responses and higher mental functions ex Thinking planning problem solving etc 2 Temporal lobe Processes auditory info giving ride to sensations of sound 3 Occipital lobe Process visual information giving arise to sensations of vision 4 Parietal lobe Process info relating to sensations to touch pressure temp pain and body movement Part 3 When injuring the hippocampus some common effects could be loss of memory or the idea to make new memories easy When injuring the cerebellum you could experience loss of balance posture and coordination When injuring your frontal lobe you could experience loss of motor function in your body as well as a personality switch up Part 4 Prefrontal Cortex The prefrontal cortex is generally responsible for the brain function s of the frontal lobes things like decision making problem solving and intelignece as well Hippocampus The hippocampus is in charge of making memories
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