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Related Concept Videos

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Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
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Related Experiment Video

Updated: Jun 28, 2026

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms
07:31

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms

Published on: February 8, 2019

Object knowledge during entry-level categorization is activated and modified by implicit memory after 200 ms.

Haline E Schendan1, Stephen M Maher

  • 1Department of Psychology, Tufts University, Medford, MA 02155, USA. Haline_E.Schendan@tufts.edu

Neuroimage
|November 18, 2008
PubMed
Summary
This summary is machine-generated.

Implicit memory influences visual object categorization by modifying knowledge networks. Event-related potentials reveal timing of perceptual and conceptual object processing, supporting a two-state model of cognition.

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Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
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Olfactory Context Dependent Memory: Direct Presentation of Odorants
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Olfactory Context Dependent Memory: Direct Presentation of Odorants

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Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms
07:31

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms

Published on: February 8, 2019

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
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Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

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Olfactory Context Dependent Memory: Direct Presentation of Odorants
04:47

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

Area of Science:

  • Cognitive Neuroscience
  • Neuroscience
  • Psychology

Background:

  • Understanding the timing of memory activation for visual objects is crucial for cognitive theories.
  • Entry-level categorization relies on semantic memory, but its temporal dynamics are not well understood.

Purpose of the Study:

  • To test the implicit memory-categorization equivalence hypothesis from multiple memory systems theory.
  • To investigate how implicit memory interacts with the cortical network supporting object categorization.
  • To delineate the temporal dynamics of visual object knowledge processing using event-related potentials (ERPs).

Main Methods:

  • Recorded ERPs to impoverished pictures of novel and repeated objects differing in perceptual similarity and categorization success.
  • Utilized categorization ratings and naming to define cortical dynamics of object knowledge.
  • Analyzed ERP components, specifically the frontocentral N350, and subsequent parietal activity.

Main Results:

  • Repetition effects on the frontocentral N350 demonstrated that implicit memory modifies the object knowledge network for categorization.
  • A frontopolar N350 subcomponent indicated object model selection based on shape similarity, with greater implicit memory for successful categorization.
  • Parietal positivity and slow waves reflected post-model selection processes, including decision evaluation and working memory.

Conclusions:

  • ERPs support the equivalence hypothesis, suggesting a shared cortical system for implicit perceptual memory and categorization.
  • Findings support a two-state interactive account of visual object knowledge processing.
  • The study successfully delineated the timing of multiple memory systems involved in visual object recognition.