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Resourcd File

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Resourcd File

  1. 1. How does your memory work? Key terminology Processing The operations we perform on sensory information in the brain. Input For human memory, this refers to the sensory information we receive from our environment. Storage The retention of information in our memory system. Encoding Turning sensory information into a form that can be used and stored by the brain. Acoustic encoding The process of storing sound in our memory system. Visual encoding The process of storing something that is seen in our memory system. Semantic encoding The process of storing the meaning of information in our memory system, rather than the sound of a word, we store the definition/meaning of that word. Output For memory, this refers to the information we recall; in a broader sense, output can refer to behavioural response. Retrieval The recall of stored memories. Short-term memory Our initial memory store that is temporary and limited. Long-term memory A memory store that holds potentially limitless amounts of information for up to a lifetime. Duration The length of time information can be stored in STM and LTM. Capacity The amount of information that can be stored in short-term and long-term memory. Rehearse When we repeat information over and over again to make it stick. Displacement When the STM becomes ‘full’ and new information pushes out older information. Interference When new information overwrites older information, for example when a new phone number takes the place of an old phone number in your memory. Amnesia Memory loss, often through accident, disease or injury. Anterograde amnesia A memory condition that means new long-term memories cannot be made; this is typically caused by injury to the brain. Retrograde amnesia A memory condition that affects recall of memories prior to an injury to the brain. Active reconstruction Memory is not an exact copy of what we experienced, but an interpretation or reconstruction of events that are influenced by our schema (expectation) when we remember them again. Schema (memory) A packet of knowledge about an event, person or place that influences how we perceive and remember. Omission When we leave out unfamiliar, irrelevant or unpleasant details when remembering something.
  2. 2. Transformation When details are changed to make them more familiar and rational. Familiarisation When unfamiliar details are changed to align with our own schema. Rationalisation When we add details into our recall to give a reason for something that may not have originally fitted with a schema. Cognitive interview A police interview designed to ensure a witness to a crime does not actively reconstruct their memory. Sensory register Our immediate memory of sensory information. Attention Focus on certain sensory information. Trigram A set of three letters such as GPX that makes a meaningless string of letters rather than a word. Iconic memory The sensory register for visual information. Echoic memory The sensory register for auditory (sound) information. Modality free Not linked to a specific type of sensory information. Primacy The tendency to recall words at the beginning of a list when asked to remember it. Recency The tendency to recall words at the end of a list when asked to remember it. Serial reproduction A technique where participants retell something to another participant to form a chain; this is how fold stories are passed through cultures. Repeated reproduction A technique where participants are asked to recall something again and again. Reliable When the outcomes of a study are consistent. Statistical analysis Mathematical calculations performed on data to see whether the findings could be due to chance. Standardised procedure Where the procedure of a study is the same across all conditions. Extraneous variables Variables that could affect the results of the study. Mundane realism A realistic, everyday task. Reductionism The theory of explaining something according to its basic constituent parts. Reductionist The practice of reductionism. Holism The theory of explaining something as a whole. Holistic The practice of holism.

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