PSYC 3510 Lecture 19 Memory Memory Retention Rehearsal
- Slides: 39
PSYC 3510 – Lecture 19
Memory
Memory
Retention Rehearsal: Maintaining information in an active state. 718 -951 -5000
Retention Studying rehearsal in pigeons (delayed matching-to-sample) Milmine et al. , 2008
Retention Studying rehearsal in pigeons (delayed matching-to-sample) Milmine et al. , 2008
Retention Studying rehearsal in pigeons (delayed matching-to-sample) Milmine et al. , 2008
Retention Studying rehearsal in pigeons (delayed matching-to-sample) Milmine et al. , 2008
Memory
Retrieval: Recovery of information from a memory store.
Retrieval Acquisition Suss et al. , 2012
Retrieval Retention 7 days… Suss et al. , 2012
Retrieval Priming Suss et al. , 2012
Retrieval Test Suss et al. , 2012
Memory failure
Memory failure 3 potential sources of memory failure: - Problems in acquisition - Problems in retention - Problems in retrieval
Memory failure 3 potential sources of memory failure: - Problems in acquisition - Problems in retention - Problems in retrieval Is retrograde amnesia a failure of acquisition or retrieval?
Memory failure 3 potential sources of memory failure: - Problems in acquisition - Problems in retention - Problems in retrieval Is retrograde amnesia a failure of acquisition or retrieval? Retrograde amnesia: Loss of memory for events occurring prior to neurophysiological disturbance.
Memory failure Acquisition Rat is placed in shuttle box. Biggs & Riccio, 2007
Memory failure Acquisition When the rat moves to the right side, the entry is blocked and two foot shocks are given. Biggs & Riccio, 2007
Memory failure Extinction The next day, the rat is placed in the right side of the box without any foot shocks. Biggs & Riccio, 2007
Memory failure Hypothermia treatment Rats are placed in very cold water either immediately, 30 minutes, or 60 minutes after extinction. Biggs & Riccio, 2007
Memory failure Test When placed in the left side, how long does it take for each group of rats to cross over to the right side? Biggs & Riccio, 2007
Memory failure Test Biggs & Riccio, 2007
Memory failure Test *The extinction memory was at first malleable and subject to modification. After a period of plasticity, the memory became immune to modification by hypothermia. Biggs & Riccio, 2007
Memory failure We still do not know if retrograde amnesia is a problem of acquisition or retrieval!
Memory failure We still do not know if retrograde amnesia is a problem of acquisition or retrieval! Consolidation failure: Hypothermia disrupts how events are recorded in long-term memory.
Memory failure We still do not know if retrograde amnesia is a problem of acquisition or retrieval! Retrieval failure: Hypothermia does not disrupt how events are recorded in long-term memory, but it does disrupt their accessibility.
Memory failure If the retrieval failure hypothesis is true, then the extinction memory exists. The rats just need help accessing it.
Memory failure Acquisition Rat is placed in shuttle box. Biggs & Riccio, 2007
Memory failure Acquisition When the rat moves to the right side, the entry is blocked and two foot shocks are given. Biggs & Riccio, 2007
Memory failure Extinction The next day, the rat is placed in the right side of the box without any foot shocks. Biggs & Riccio, 2007
Memory failure Hypothermia treatment Rats that are given the hypothermia treatment are placed in very cold water immediately. Biggs & Riccio, 2007
Memory failure Before the test, some rats received ‘recooling’ at different temperatures. Recooling serves as a retrieval cue.
Memory failure Before the test, some rats received ‘recooling’ at different temperatures. Recooling serves as a retrieval cue. This is also called priming.
Memory failure Test Biggs & Riccio, 2007 This group received the hypothermia treatment, but no recooling.
Memory failure Test Biggs & Riccio, 2007 These groups received the hypothermia treatment and recooling at varying temperatures.
Memory failure Test These groups received the hypothermia treatment and recooling at varying temperatures. These rats experienced hypothermia immediately after extinction, which usually causes forgetting. By reintroducing these rats to very cold water before the test, the extinction memory was reactivated. Biggs & Riccio, 2007
Consolidation and reconsolidation
- Emotional events
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- Polishing rehearsal
- Rehearsal strategies
- Disadvantages of mental rehearsal in sport
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