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Semantic aphasia (SA) patients can still exhibit creative potential through spreading activation, even with impaired semantic control. Their creativity is influenced by specific task demands, highlighting context sensitivity.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Linguistics

Background:

  • Creative cognition relies on semantic control or spreading activation.
  • Semantic aphasia (SA) involves impaired semantic control but preserved semantic representations.
  • The impact of impaired semantic control on creativity in SA remains unexplored.

Purpose of the Study:

  • To investigate creative potential in semantic aphasia patients.
  • To determine if spreading activation alone can support creative responses.
  • To examine how task demands influence creativity in SA.

Main Methods:

  • Assessed creative potential across three experiments using category judgment and fluency tasks.
  • Included SA patients and healthy controls.
  • Measured creativity via uniqueness, flexibility, semantic distance, and ratings.

Main Results:

  • SA patients showed creative potential in constrained fluency tasks.
  • Impaired semantic control affected strategy use in unconstrained fluency.
  • No group differences in creativity emerged when fluency was controlled.

Conclusions:

  • Spreading activation can support creative responses even with impaired semantic control.
  • Creative potential in SA is task-dependent and sensitive to context.