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Memory/Cognition Memory Encoding - Getting information in

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Presentation on theme: "Memory/Cognition Memory Encoding - Getting information in"— Presentation transcript:

1 Memory/Cognition Memory Encoding - Getting information in
Storage - Retaining Sensory Short-term Long-term Retrieval – Getting information out Forgetting Construction Improving

2 Objectives Describe memory in terms of information processing and distinguish among sensory, short-term, and long-term memory Distinguish between automatic and effortful processing, and discuss the importance of rehearsal Explain the importance of meaning, imagery, and organization in the encoding process Describe the limited nature of sensory and short-term memory Describe the capacity and duration of long-term memory and discuss the biological changes that may underlie memory formation and storage

3 Distinguish between implicit and explicit memory and identify the different brain structures associated with each Contrast recall, recognition, and relearning measures of memory Describe the importance of retrieval cues and the impact of environmental contexts and internal emotional state on retrieval Explain why the capacity to forget can be beneficial and discuss the role of encoding failure and storage decay in the process of forgetting Explain what is meant by retrieval failure and discuss the effects of interference and motivated forgetting on retrieval

4 Describe the evidence for the constructive nature of memory and the impact of imagination and leading questions on eyewitness recall Describe the difficulties in discerning true memories from false ones and the reliability of children’s eyewitness recall Discuss the controversy over reports of repressed and recovered memories of childhood sexual abuse Explain how an understanding of memory can contribute to effective study techniques

5 Overview What causes us to remember what we remember and to forget what we forget? Any indication that learning has persisted over time. Many questions about memory… What would it be like without memory? Never forgetting? We take it all for granted.

6 Memory Encoding, storage, retrieval
Model (information-processing / three box) Sensory Short-term / working Long-term

7 Encoding Automatic vs. effortful processing Rehearsal
Spacing effect (over time) Serial position effect (1st & last) Encoding meaning (semantic), visualizing, mentally organizing Mnemonic devices to aid Chunking Hierarchies

8 Storage Retaining information Sensory Iconic (photographic)
Echoic (auditory) Short-term 7 items Long-term Limitless Episodic, semantic, procedural

9 Synaptic Changes (neurons) Stress Hormones boost memory & retention
Continued… Synaptic Changes (neurons) Stress Hormones boost memory & retention Implicit (procedural – how to) without conscious recall skills classical and operant conditioning Explicit (declarative) conscious recall facts experienced events Brain Hippocampus, limbic system, cerebellum

10 Retrieval & Forgetting
Getting information out Recall, recognition, relearning Cues Context Moods 7 ways to forget (p.339) Absent-mindedness, transience, blocking, misattribution, suggestibility, bias, persistence Interference Retroactive Proactive Motivated

11 Construction Misinformation and Imagination misremembering Amnesia
source retrograde anterograde childhood Discerning true and false memories Children’s eyewitness recall / eyewitness recall True photographic memory (eidetic) is very rare

12 Improving Memory Study repeatedly Actively think and rehearse
Make material personally meaningful Use mnemonic devices Retrieval cues Recall events while fresh – to minimize misinformation Minimize interference Test your own knowledge

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