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Related Experiment Video

Updated: May 27, 2026

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

Splitting attention across the two visual fields in visual short-term memory.

Jean-Francois Delvenne1, Jessica L Holt

  • 1University of Leeds, UK. j.f.delvenne@leeds.ac.uk

Cognition
|November 25, 2011
PubMed
Summary
This summary is machine-generated.

Visual attention can be split between items in visual short-term memory (VSTM), particularly when items are in separate visual fields. This suggests independent attentional resources for each hemifield in VSTM.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Humans possess the ability to selectively attend to relevant visual information and store it in visual short-term memory (VSTM).
  • Previous research indicates simultaneous selection of non-contiguous items, especially when distributed across visual hemifields.

Purpose of the Study:

  • To investigate whether attention can be divided between items within internal representations held in VSTM.
  • To determine if attentional resources for VSTM are independent across visual hemifields.

Main Methods:

  • Two experiments were conducted where participants memorized colors and were cued to attend to specific subsets.
  • Experiment 1 manipulated attentional cues to one or two colors from separate or same hemifields.
  • Experiment 2 examined memory performance without attentional cues, considering item distribution.

Main Results:

  • Memory for attended colors was equally strengthened when they were from separate hemifields, but not when from the same hemifield.
  • Item distribution alone, without attentional cues, did not affect memory performance.
  • Findings suggest independent attentional resources for the left and right visual hemifields within VSTM.

Conclusions:

  • Attention can be split within VSTM representations, supporting the concept of hemifield-specific attentional resources.
  • These independent resources play a role in selecting and consolidating information in VSTM.
  • The study provides strong evidence for distinct attentional mechanisms operating in each visual hemifield for memory.