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Health Psych Exam 1

Health Psych Exam 1 - Term Definition The Nervous...

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Term: The Nervous System Definition: •The command center of the body •Receives afferent (sensory) impulses from the peripheral nerve endings and sends efferent (motor) impulses to the extremities and internal organs to carry out necessary movement Term: Forebrain Definition: Made up of: o1. Diencephalon o2. Telencephalon Term: Diencephalon Definition: Made up of: o1. Thalamus o2. Hypothalamus Term: Thalamus Definition: 1. Involved in recognition of sensory stimuli 2. Relay of sensory impulses to cerebral cortex
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Term: Hypothalamus Definition: Maintains homeostasis *** •Regulate the centers in the medulla that control cardiac functioning, blood pressure, and respiration •Regulates water balance, appetites (hunger and sexual desire) Term: Telencephalon Definition: Made up of the Cererbum/Cerebral Hemispheres (includes Cortex) Term: The Cerebral Cortex Definition: •The largest portion of the brain and is involved in higher-order intelligence, memory, and personality Term: Limbic System Definition: Play an important role in stress and emotional responses Made up of: 1. Amygdala 2. Hypothalamus 3. Hippocampus 4. Cingulate gyru 5. Thalamus
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Term: Amygdala Definition: • Responsible for receiving fear, threat, reward • Basic survival Term: Hippocampus Definition: •Involved in declarative memories : What I had for breakfast •Involved in emotional memories: Where you were on 9/11 •Involved in spatial memory: Directions to your house Term: Cingulate gyrus Definition: Activated in response to pain i.e. crying, swearing Term: Midbrain Definition: Major pathway for sensory and motor impulses moving between the forebrain and hindbrain.
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Term: Hindbrain Definition: Made up of 1. Medulla 2. Pons 3. Reticular Formation 4. Cerebellum Also includes the brainstem, which is essential for living Term: Neurotransmitters Definition: Chemicals that regulate nervous system functioning Term: Catecholamines Definition: 1. Promote the activity of sympathetic stimulation 2. Epinephrine and nor-epinephrine
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