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Related Experiment Video

Updated: Nov 15, 2025

Portable Intermodal Preferential Looking IPL: Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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Local vs global processing in Williams syndrome.

Giulia Mattavelli1, Floriana Costanzo2, Deny Menghini2

  • 1NETS, Scuola universitaria superiore IUSS, Pavia, Italy.

Research in Developmental Disabilities
|March 3, 2021
PubMed
Summary
This summary is machine-generated.

Individuals with Williams syndrome (WS) show global processing for faces and objects, unlike typical individuals. Familiarity benefits global processing in WS, but less than in controls, aiding intervention planning.

Keywords:
Global and local processingJane taskMooney taskNavon taskWilliams syndrome

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Area of Science:

  • Cognitive Neuroscience
  • Developmental Psychology
  • Genetics

Background:

  • Williams syndrome (WS) is associated with debated visual processing patterns, specifically local vs. global.
  • Typically, individuals exhibit a 'global advantage,' which in WS appears limited to face stimuli.

Purpose of the Study:

  • To investigate global vs. local processing in Williams syndrome.
  • To assess the impact of stimulus familiarity (faces vs. objects) on visual processing in WS.

Main Methods:

  • A modified version of Mooney, Jane, and Navon tasks were administered.
  • Participants included children and adolescents with WS and typically developing controls.
  • Stimuli included faces, guitars, and houses to evaluate familiarity effects.

Main Results:

  • WS individuals demonstrated global processing for both faces and objects.
  • Impairment was observed in WS participants during stimulus comparison/discrimination tasks.
  • While all groups benefited from global processing and familiarity, WS individuals showed a lesser advantage from familiarity compared to controls.

Conclusions:

  • No peculiar face processing advantage or significant object familiarity facilitation was found in Williams syndrome.
  • Findings suggest a nuanced understanding of visual processing in WS, informing targeted interventions.
  • The study highlights the importance of considering stimulus type and familiarity in WS cognitive research.