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Related Experiment Videos

From objects to names: a cognitive neuroscience approach.

G W Humphreys1, C J Price, M J Riddoch

  • 1Cognitive Science Research Centre, School of Psychology, University of Birmingham, Edgbaston, UK.

Psychological Research
|September 3, 1999
PubMed
Summary

Object naming requires visual recognition and accessing word sounds. This study shows visual processing influences naming speed and accuracy, suggesting continuous, interactive stages in object identification.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Computational Linguistics

Background:

  • Object naming involves visual recognition and phonological retrieval.
  • The interplay between these processes is not fully understood.
  • Potential constraints from visual recognition on phonological access are explored.

Purpose of the Study:

  • To review evidence for constraints of visual recognition on object naming.
  • To investigate the continuous and interactive nature of object identification stages.
  • To model object naming within an interactive activation framework.

Main Methods:

  • Review of experimental psychology data.
  • Analysis of neuropsychological case studies.
  • Examination of functional neuroimaging (fMRI) findings.

Related Experiment Videos

  • Computational modeling using interactive activation and competition.

    • Main Results:

    • Naming speed differs between natural objects and artifacts due to visual similarity.
    • Object identification stages interact continuously, not discretely.
    • Perceptual deficits can impair naming despite intact semantic knowledge.
    • Increased visual cortex activity observed during naming tasks compared to recognition.

    Conclusions:

    • Object naming relies on continuous, interactive processing stages.
    • Visual processing plays a crucial role and is enhanced during naming.
    • Interactive activation and competition models can explain observed data.