Unit 1 Brain & Behavior exam with complete solutions.

types of memory sensory, short-term, long-term sensory memory very briefly stores sensory info, 1s short-term briefly holds limited amount of info in awareness (working memory), sec-min long-term relatively permanent storage of info, hour-year stages of memory encoding, storage, retrieval encoding forming a memory storage maintaining encoded info in memory overtime retrieval recovering info from memory stores types of LT memory explicit, implicit explicit LT memory declarative; requires a conscious effort and can be verbally described implicit LT memory procedural, doesn't require conscious effort, automatic skill or habit types of explicit LT memory sematic (vocab, capitals of states), episodic (personal experiences) flashbulb memory a vivid memory of a moment of high emotional arousal (fear, surprise) amnesia forgetting almost everything types of amnesia retrograde, global, anterograde retrograde amnesia can't retrieve memories that were formed in the past anterograde amnesia can't form new memories patient H.M suffered from severe epilepsy so doctor removed both his hippocampus resulting in no seizures -- unable to form new memories but able to acquire new motor skills dementia a group of symptoms including memory loss and other areas of cognitive decline what happens in dementia lose neurons, lose cells, lose pathway, leading to neuron death alzheimers (not sure of cause) build up of proteins ways memory can be affected 1. if encoding, storage, retrieval process is affected, memory is impacted (drunk, not paying attention) 2. anxiety; distress activates molecu