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Psych 101 Notes: Week of 2/8/16

by: Julia Kramer

Psych 101 Notes: Week of 2/8/16 PSYCH 101

Marketplace > Edinboro University of Pennsylvania > Psychlogy > PSYCH 101 > Psych 101 Notes Week of 2 8 16
Julia Kramer
Edinboro University of Pennsylvania
GPA 4.0
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About this Document

These notes are from this past week and cover what we have learned thus far on sensation and perception
Intro to Psychology
Ms. Frambes
Class Notes




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This 4 page Class Notes was uploaded by Julia Kramer on Friday February 12, 2016. The Class Notes belongs to PSYCH 101 at Edinboro University of Pennsylvania taught by Ms. Frambes in Spring 2016. Since its upload, it has received 44 views. For similar materials see Intro to Psychology in Psychlogy at Edinboro University of Pennsylvania.

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Date Created: 02/12/16
Introduction to Psychology Notes Professor Frambes Week of 2/8/16 Central Nervous System (CNS)  Spinal cord  "Information highway" carries information  Reflexes  Brain Diagram 1: Neurons connect receptors on the body to the spinal cord which sends information to the brain which elicits the appropriate reaction. Basic functions controlled by the back of the brain – the hindbrain - Higher functions housed in the frontal lobe o i.e. decision making and philosophy The endocrine system A set of glands that secrete hormones into the bloodstream The Brain versus the Mind The "who" of a person? Brain reorganization: Plasticity Neuroplasticity o Brain's capacity for modification, as evident in brain reorganization  Meaning, the brain can adapt in terms of where functions are housed or the level of activity of a certain function can increase/function more effectively  Practicing a skill – i.e. learning an instrument  Education  Enrichment  Hemispherectomy - process of removing one hemisphere of the brain as a treatment for epilepsy  Performed mostly on young children  As they are still developing, the remaining hemisphere takes on the functions that the missing hemisphere would normally control The Divided Brain o Corpus Callosum  Wide band of axon fibers connecting the brain's two hemispheres o Split Brain (see hemispherectomy above) Sensation and Perception Sensation o Raw Information from the senses Perception o The process through which people take raw sensations from environment and give them meaning using knowledge, experience, and understanding of the world Our brains construct our perceptions Accessory structures help take in information more efficiently i.e. ears Receptors respond to the stimuli taken in Thresholds o To prevent way too much information, we have limited ranges of sensory perception  Set up only to perceive the information needed for the survival of our species  Dogs have a wider range of perception because they need it to survive  We don't need to see infrared light so we lack the ability to do so Absolute Threshold  The minimum stimulation needed to detect a particular stimulus 50% of the time Diminished sensitivity  Sensory adaptation - decreasing responsiveness to a stimulus over time  Habituation - the brain stops attending to unchanging information Subliminal Stimulation  Stimuli below one's absolute threshold for conscious awareness Perceptual Organization  Gestalt  Our ability to perceive overall patterns Figure and Ground o The tendency to perceive objects or figures as existing on a background o Optical illusions How do we organize perceptions into a meaningful whole? The Gestalt principles explain how eye creates a whole (gestalt) from parts i Proximity O O O O O O O O O O O O We see the groupings of 3 rather than the whole 12 ii Similarity Ʊ Ʊ Ʊ Ʊ O O O O Ʊ Ʊ Ʊ Ʊ O O O O iii Continuity We tend to see this as two crossing lines instead of four lines meeting in the center iv Closure - familiar figure interrupted so we imagine the rest of the figure


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