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Related Experiment Videos

Proper name anomia.

F Lucchelli1, E De Renzi

  • 1Neurological Department, University of Modena.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|June 1, 1992
PubMed
Summary
This summary is machine-generated.

A left thalamic infarct impaired a patient's ability to retrieve proper names for people. This suggests the arbitrary link between names and people makes recall fragile, impacting memory for arbitrary information.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Linguistics

Background:

  • Proper name retrieval is crucial for social cognition and semantic memory.
  • Thalamic lesions can lead to diverse cognitive deficits, including memory and language impairments.

Observation:

  • A patient with a left thalamic infarct presented with severe difficulty retrieving person proper names from faces or descriptions.
  • The patient could identify individuals and access semantic information but struggled with name recall and generation.
  • Retrieval of common nouns, geographical names, and monuments remained intact.

Findings:

  • The study highlights a specific deficit in accessing phonological forms of proper names from semantic memory.
  • The findings suggest that the arbitrary association between proper names and their referents is particularly vulnerable to disruption.

Related Experiment Videos

  • Impairments in recalling telephone numbers and learning arbitrary paired associates support this hypothesis.

    • Implications:

    • This case provides insights into the neural basis of proper name retrieval and semantic memory organization.
    • Understanding these specific deficits can inform the diagnosis and rehabilitation of memory and language disorders post-stroke.
    • The research underscores the unique cognitive demands associated with arbitrary symbolic associations in human memory.