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false memory

a distorted recollection of an event or, most severely, recollection of an event that never actually happened. False memories are errors of commission, because details, facts, or events come to mind, often vividly, but the remembrances fail to correspond to prior events. Even when people are highly confident that they are remembering “the truth” of the original situation, experimental evidence shows that they can be wrong. For example, one quarter of adults in a particular experiment who were told an untrue story about being lost in a mall as a child—ostensibly obtained from their family members—adopted the story, sometimes embellishing it with vivid sensory detail (e.g., the clothes that the rescuer was wearing). The phenomenon is of particular interest in legal cases, specifically those involving eyewitness memories and false memory syndrome (FMS), in which adults seem to recover memories of having been physically or sexually abused as children, with such recoveries often occurring during therapy. The label is controversial, as is the evidence for and against recovery of abuse memories; false memory syndrome is not an accepted diagnostic term, and some have suggested using the more neutral phrase recovered memory. Also called illusory memory; paramnesia; pseudomemory.

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Psychology term of the day

May 9th 2024

state space

state space

1. a graphical representation used to characterize game playing and other search-based problem solving. A state space has four components: (a) a set of nodes or states, (b) a set of arcs linking subsets of the nodes, (c) a nonempty set of nodes indicated as the start nodes of the space, and (d) a nonempty set of goal nodes of the space. The goal nodes are identified by either a property of the state itself (e.g., a checkmate) or a property of the path leading to the goal state (e.g., the shortest path). An architecture such as a production system or classifier system can generate a state-space search. Computational state-space analysis and computer simulations of problem solving often are used as well in the study of how people pursue goal-directed behavior. See also graph; search; tree.

2. multidimensional space, particularly as related to the depiction of the results of classification methods used to group objects with similar characteristics and patterns of behavior.