intro to psychology
intro to psychology PSYC 121 06
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This 3 page Study Guide was uploaded by Casey Shore on Monday September 19, 2016. The Study Guide belongs to PSYC 121 06 at Radford University taught by in Fall 2016. Since its upload, it has received 4 views.
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Date Created: 09/19/16
Older Brain Structures: Automatic survival structures -memory -emotions -basic drives ** The brain structure has evolved over time. ** **Brain activity doesn’t stop just because you are asleep, it goes on no- stop, that is why you have dreams and nightmares. ** Brainstem: -oldest part of the brain, it is control core of the brain. -Begins where spinal cord sells and enters the brain. -A crossover point: nerves form one side connect with the opposite side of the body. So if you sense pain in your left hand the right side of your brain will register it and notify you to act accordingly. Medulla: -where the spinal cord swells -controls essential functions Ex: heartbeat, breathing, and blood circulation Pons: -Translate to bridge in Latin -located just above the medulla -Helps coordinate movements **This allows you to walk, dance, and ride a bike. Thalamus: -At the top of the brainstem, above the pons and medulla. -The brain’s sensory switchboard, a hub of activity, like Grand Central Station, a ton of things pass through there and they get taken to different locations. -Gets into from all the senses (except smell) and sends it to the higher brain regions. Reticular Formation: -Netlike formation within the Thalamus -Relays important information to the brain region. * Effects arousal - 1949- Giuseppe Moruzzi and Horace Mogoun **The reticular formation causes the sleep and wake 24-hour process). ** Cerebellum: -known as the little brain -Controls some non-verbal learning and memory Helps us: -judge time -balance our emotions -discriminate between sounds and textures -coordinates voluntary movements (with Pons) Jerky movements, you couldn’t shake hands, and you wouldn’t be able to stand up or walk straight. Limbic System: - Part of the Neural System - located below cerebral hemisphere - sits with between old and new parts of brain **Composed of: Hippocampus, Amygdala, and Hypothalamus ** ASSOCIATED WITH FEAR Hippocampus= process episodic, explicit memories and sends them for storage. -Think of a Hippo lost on campus, that means that his memories are effected by his Hippocampus. Amygdala= composed of two small, bean-sized neural clusters. -Influenced by aggression and fear. Hypothalamus= small, neural structure -right below thalamus - helps govern the endocrine system through pituitary gland, linked to emotion and reward -helps keeps body’s internal enviro in a steady state -A “Pleasure Center” The Four F’s 1) Fleeing 2) Fighting 3) Feeding 4) Mating (Sex)
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