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Module 24
Storage: Retaining Information in the Brain
| Question | Answer |
|---|---|
| How large is the capacity of long-term memory? | unlimited |
| How large is the capacity of short-term memory? | approximately 7 bits of information |
| What psychologist cut pieces of rats' brains out to see if they remembered a maze? | Karl Lashley |
| Many brain regions send input to your _______ lobes for working memory processing. | frontal |
| In what part of the brain do amnesia patients typically suffer damage? | hippocampus |
| Why is the hippocampus important? | the processing and storage of explicit memories |
| Kandel and Schwartz have found that when learning occurs, more of the neurotransmitter ______ is released into synapses. | serotonin |
| Studies demonstrate that learning causes permanent neural changes in the _____ of animals' neurons. | synapses |
| The basal ganglia of the brain play a critical role in the formation of what? | hypothalamus |
| Which area of the brain is most important in the processing of implicit memories? | cerebellum |
| Lashley's studies, in which rats learned a maze and then had various parts of the brains surgically removed, showed that the memory __________. | remained no matter which area of the brain was tampered with |
| What is long-term potentiation? | the increased efficiency of synaptic transmission between certain neurons following learning |
| What are explicit memories? | memories of facts, including names, images, and events |
| What is another name for explicit memories? | declarative memories |
| Where is the hippocampus located? | it is a neural center in the temporal lobe and is part of the limbic system |
| What are implicit memories? | procedural memories for automatic skills and classically conditioned associations among stimuli |
| What is a flashbulb memory? | an unusually vivid memory of an emotionally important moment of event |
| What is believed to be the neural basis for learning and memory? | long-term potentiation |