lecture 4_s&p_w09

lecture 4_s&p_w09 - Biology lecture: Immune System...

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Biology lecture: Immune System The immune system and the endocrine system are like the nervous system because: ± they are capable of responding to the environment ± they influence a wide variety of behaviors ± they have cells that communicate with one another.
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The Immune System Function: ± Monitor internal body for presence of foreign or harmful material and eliminate it ² Autoimmune disorders: immune system mistakes normal, healthy body cells as foreign and attacks them
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Interactions between Systems 4 lines of evidence point to the interaction between the immune, ± Stress has a negative impact on the functioning of the immune system. Stress is an emotional & physiological response that interpreted by the nervous system. ± Immune responses can be learned; learning is a nervous system function. ± Stimulating or damaging certain parts of the nervous system (hypothalamus, brainstem, e.g.)can cause changes in immune system function. ± Immune system activity causes changes in neurotransmitter activity, hormonal secretion, and behavior.
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Introduction to Psychology Lecture 4: Sensation & Perception
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Sensation Lecture: Overview I. Introduction ± Sensation “vs.” Perception II. Sensation ± What do various sensation systems have in common? ± How is sensory information coded? III. Vision ± How do light, the eye, and the brain work together? IV. Other senses ± Sound, taste, smell, touch, and proprioception
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I. Introduction Sensation “vs.” perception Basic principle: Lack of one-to-one correspondence between physical and psychological Physical variables Î psychological variables Sensation “and” perception
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I. Introduction Definitions Sense: A system that translates “outside” information into neural activity Sensation: Message from the senses Perception: Process by which sensations are given meaning
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I. Introduction Active processes Influenced by current state previous experience expectations Demonstration: Stroop Effect
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BLUE GREEN PURPLE GREEN RED GRAY RED BLUE GREEN ORANGE ORANGE BLUE RED GRAY BLUE PURPLE
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I. Introduction Adaptive processes Binocular vision Demonstrations: Messing it up Finger through single eye Hot dog finger Binocular suppression
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Sensation Lecture: Overview I. Introduction ± Sensation “vs.” Perception II. Sensation ± What do various sensation systems have in common? ± How is sensory information coded? III. Vision ± How do light, the eye, and the brain work? IV. Other senses ± Sound, taste, smell, touch, and propioception
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What do sensation systems have in common?
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common? Accessory structures
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lecture 4_s&p_w09 - Biology lecture: Immune System...

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