PSY 100: week 7 class notes 10/13/16
PSY 100: week 7 class notes 10/13/16 PSY 100
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This 2 page Class Notes was uploaded by Lorren Roberts on Sunday October 16, 2016. The Class Notes belongs to PSY 100 at Central Michigan University taught by Mark A Deskovitz in Fall 2016. Since its upload, it has received 3 views. For similar materials see Introduction to Psychology in Psychology (PSYC) at Central Michigan University.
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Date Created: 10/16/16
Forgetting The inability to remember information that was previously available Why do we forget o Encoding failure the inability to recall specific information because of insufficient encoding of the information for storage in long term memory (from shortterm to longterm) o Decay theory forgetting memories because we don’t use them and they fade away over time as a way of normal brain processes o Interference theory forgetting is caused by one memory competing with or replacing another memory Retroactive interference when a new memory interferes with remembering an old memory Proactive interference when an old memory interferes with remembering a new memory o Motivated forgetting refers to the idea that we forget because we are motivated to forget, usually because the memory is unpleasant or disturbing Suppression a deliberate attempt to not think about and remember specific information (occurs consciously) Repression all memory that of a distressing event or experience is blocked from conscious awareness (occurs unconsciously) Imperfect memories (confused, wrong, tarnished) o Misinformation effect a memory distortion phenomenon in which a person’s existing memories can be altered if the person is exposed to misleading information o Source confusion a memory distortion that occurs when the true source of the memory is forgotten o False memory a distortion or fabricated recollection of something that did not actually occur o Schema an organized cluster of information about a particular topic Script a schema for the typical sequence of an everyday event Sensory memory deficit= deja vu (1/2 second forgetting) o Déjà vu experience a memory illusion characterized by brief but intense feelings of familiarity in a situation that has never been experienced before Processing memories in the brain o Amnesia severe memory loss Retrograde amnesia inability to remember some or all of a persons past, especially episodic memories for recent events Anterograde amnesia the inability to form new memories o Brain structures involved Hippocampus encodes and transfers new explicit memories from short term to long term memory Cerebellum memories involving movement (simple reflexes) Amygdala encodes emotional aspects of memories Prefrontal cortex memory involving the sequence of events, but not the events themselves Medial temporal lobe encodes complex memories by forming links among the information stored in multiple brain regions o Alzheimer’s disease a progressive disease that destroys the brain’s neurons, gradually impairing memory, thinking, language, and other cognitive functions, resulting in the complete inability to care for oneself (most common cause of dementia) Dementia the decline and impairment of memory, reasoning, language, and other cognitive functions occurring as a result of a disease or condition
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