Cognition, Memory & Learning

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Abstractions about how minds attend, learn, and remember, covering perceptual and attentional phenomena (categorical perception, coincidence detection, attenuation theory), memory processes (echoic memory, state-dependent memory, multiple trace theory), and learning mechanisms (classical conditioning, statistical learning, perceptual learning).

33 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Attenuation theory — A selective-attention model in which unattended inputs are weakened rather than completely blocked, allowing sufficiently salient or low-threshold content to reach awareness.
• Bi-directional hypothesis of language and action — The embodied-cognition hypothesis that language comprehension and sensorimotor activity influence one another reciprocally.
• Categorical perception — A perceptual phenomenon in which continuous stimulus variation is experienced or discriminated as discrete categories, with enhanced sensitivity near category boundaries.
• Classical conditioning — Learning in which a previously neutral cue acquires the capacity to elicit a response after predictive pairing with a biologically or motivationally significant event.
• Coincidence detection in neurobiology — A neural computation in which a neuron responds selectively when multiple inputs arrive within a narrow temporal window.
• Delay reduction hypothesis — A choice theory proposing that a stimulus becomes an effective conditioned reinforcer to the extent that it signals a reduction in expected delay to primary reinforcement.
• Descriptive Experience Sampling — An introspective research method that samples immediately preceding inner experience at randomly signaled moments and refines descriptions through iterative interviews.
• Domain-general learning — A developmental account in which broad learning mechanisms operate across content areas, rather than relying primarily on innate modules specialized for particular domains.
• Echoic memory — A brief high-capacity auditory sensory store that preserves a fading trace of recently heard information for perceptual integration.
• Equipotentiality — Represent Lashley's historical hypothesis that, within a relevant functional cortical area and task class, intact portions can assume functions lost when other portions are damaged, often with reduced efficiency.
• Escape reflex — A rapid sensorimotor response that detects a threat-like stimulus and initiates stereotyped movement away from it.
• Forward testing effect — Improved learning of new material caused by retrieving earlier material between study segments.
• Frequency format hypothesis — The cognitive hypothesis that people often reason more accurately about uncertainty when probabilities are expressed as natural frequencies with explicit reference classes.
• Global workspace theory — A cognitive architecture in which selected information becomes conscious by being globally broadcast to many specialized unconscious processes.
• Information processing theory — A cognitive-development perspective that models perception, attention, memory, strategy and response as coordinated stages or resources whose capacity, speed and organization change with development.
• Law of effect — The learning principle that responses followed by satisfying consequences become more likely in the same situation, while responses followed by discomfort become less likely.
• Memorization — The deliberate encoding and consolidation of information so it can later be reproduced or recognized from memory.
• Microtraining — A short structured workplace-learning format that activates informal knowledge exchange in sessions of roughly fifteen to twenty minutes.
• Model of hierarchical complexity — A content-neutral developmental scoring framework that assigns tasks an order based on how nonarbitrarily they coordinate actions from the immediately lower order into a new hierarchical organization.
• Mood-dependent memory — Improved retrieval when a person’s mood at recall matches the mood present during encoding.
• Multiple trace theory — A memory theory proposing that each encoding or retrieval event creates a partly distinct trace and that remembering depends on their combined overlap rather than strengthening one stored token.
• Next-in-line effect — A memory impairment for information presented immediately before one's anticipated turn to perform, attributed to self-focused preparation and anxiety.
• Number sense in animals — The capacity of nonhuman animals to represent, compare, or discriminate quantities numerically.
• Numerical Stroop effect — Interference in numerical comparison when an irrelevant physical-size dimension conflicts with digit magnitude, slowing or biasing responses relative to congruent trials.
• Ocular tremor — A tiny high-frequency involuntary component of normal fixational eye movement that persists during attempted visual fixation.
• Perceptual learning — Experience-dependent, relatively durable improvement in extracting or discriminating sensory information through practice or exposure.
• Ribot's law — The historical temporal-gradient hypothesis that retrograde amnesia preferentially impairs recently formed memories while relatively sparing older, more consolidated memories.
• Scale error — A developmental behavior in which a young child seriously attempts an action appropriate to an object's full-size counterpart despite the miniature object's incompatible physical scale.
• State-dependent memory — Improved retrieval when an individual’s internal physiological, affective, or cognitive state matches the state present during encoding.
• Statistical learning in language acquisition — The extraction of distributional regularities from speech or language input, such as transitional probabilities, to discover word boundaries, categories and structural patterns.
• U-shaped development — A nonmonotonic learning or developmental trajectory in which initially successful performance declines during reorganization and later recovers at a more systematic or advanced level.
• Universal law of generalization — Shepard's cognitive hypothesis that generalization probability decreases approximately exponentially with distance between stimuli in an appropriately constructed psychological space.
• Visual short-term memory — A capacity-limited temporary store that maintains visual representations for seconds after fragile iconic persistence has faded, supporting comparison and ongoing visual cognition without long-term retention.