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Related Experiment Video

Updated: May 25, 2026

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
07:04

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Published on: March 10, 2021

Cognitive maps in imagery neglect.

Liana Palermo1, Giulia Ranieri, Federico Nemmi

  • 1Dipartimento di Psicologia 39, Sapienza UniversitĂ  di Roma, via dei Marsi 78, 00185, Rome, Italy. liana.palermo@uniroma1.it

Neuropsychologia
|February 8, 2012
PubMed
Summary
This summary is machine-generated.

Patients with right-brain damage and imagery neglect struggle with environmental orientation. They cannot convert egocentric to allocentric spatial representations, supporting the BBB model, rather than deficits in cognitive map creation or use.

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Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
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Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
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Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
08:53

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories

Published on: November 14, 2018

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neuropsychology

Background:

  • Imagery neglect (RI+) is associated with navigational difficulties.
  • Existing models propose deficits in creating or using cognitive maps.
  • The Burgess, Becker, King, and O'Keefe (BBB) model suggests a specific transformation deficit between allocentric and egocentric representations.

Purpose of the Study:

  • To investigate the specific navigational deficits in patients with imagery neglect.
  • To differentiate between deficits in forming/using cognitive maps and the egocentric-allocentric transformation proposed by the BBB model.
  • To test the BBB model in a brain-damaged patient population.

Main Methods:

  • Administered two tasks assessing cognitive map creation and usage separately.
  • Tested 28 right brain-damaged patients (including 4 with imagery neglect and 4 with perceptual neglect) and 11 healthy controls.
  • Utilized tasks designed to distinguish between map formation, map usage, and spatial representation transformation.

Main Results:

  • Imagery neglect patients did not show deficits in creating or using cognitive maps.
  • Patients with imagery neglect specifically failed to transform egocentric representations to allocentric ones and vice versa.
  • Findings support the BBB model's prediction of a transformation deficit in this patient group.

Conclusions:

  • Imagery neglect is characterized by a specific impairment in the transformation of spatial representations, not in the formation or use of cognitive maps.
  • The results provide empirical support for the BBB model in a clinical population.
  • This study highlights the distinct neural underpinnings of different spatial processing abilities.