Identifying characteristics that distinguish between people with relatively good versus poor episodic memory is an important goal of eyewitness-memory research, as is identifying activities that can improve people's ability to retrieve episodic memories. Consistency of hand preference is a trait associated with the quality of people's episodic memory and repetitive saccade execution is an activity known to improve people's ability to retrieve episodic memories. These factors were examined in relation to cued and free recall of a staged criminal event. Individuals with inconsistent hand preference (versus consistent) remembered more on a cued-recall test and also freely recalled a larger amount of victim information. Repetitive saccade execution did not increase cued recall but did increase free recall of victim information. Theoretical implications are discussed, as is potential practical significance, with an emphasis on the size of the observed effects.
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http://dx.doi.org/10.1080/09658211.2017.1420802 | DOI Listing |
J Neuroophthalmol
December 2024
Exploration de la Vision et Neuro-Ophtalmologie (RF, VS), CHU de Lille, Lille, France; and University of Lille (QL, VS, MB), INSERM, CNRS, UMR-S 1172-Lab, Lille Neuroscience & Cognition, Lille, France.
Background: Most of the data on visual functions in Leber hereditary optic neuropathy (LHON) is based on patient questionnaires. Our study assessed the impact of LHON on visual function by testing facial recognition and execution of purposeful actions.
Methods: Twelve participants with LHON with central scotoma ranging from 5° to 20° and 12 unaffected age-matched controls were involved in our study.
Psychophysiology
January 2025
Department of Psychology and Research Institute for Health Sciences (iUNICS), University of the Balearic Islands, Palma, Spain.
Unexpected sounds have been shown to trigger a global and transient inhibition of motor responses. Recent evidence suggests that eye movements may also be inhibited in a similar way, but it is not clear how quickly unexpected sounds can affect eye-movement responses. Additionally, little is known about whether they affect only voluntary saccades or also reflexive saccades.
View Article and Find Full Text PDFAppl Neuropsychol Adult
December 2024
Psychophysiology Laboratory, Department of Humanities and Social Sciences, Indian Institute of Technology Bombay, Mumbai, Maharashtra, India.
Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by social communication deficits and repetitive behaviors. Eye movement abnormalities are common in ASD, suggesting underlying cognitive impairments such as working memory and response inhibition. However, several investigations suggest deficits in inhibitory control and working memory among individuals with ASD, whereas others indicate performance levels similar to typically developing individuals.
View Article and Find Full Text PDFJ Vis
December 2024
Institute for Experimental Psychology, Heinrich Heine University, Düsseldorf, Germany.
In order to bring stimuli of interest into our central field of vision, we perform saccadic eye movements. After every saccade, the error between the predicted and actual landing position is monitored. In the laboratory, artificial post-saccadic errors are created by displacing the target during saccade execution.
View Article and Find Full Text PDFFront Aging Neurosci
November 2024
Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Background: Abnormal eye movements occur at the early stages of Alzheimer's disease (AD). However, the characteristics of abnormal eye movements of patients with AD and their relationship with clinical symptoms remain inconsistent, and their predictive value for diagnosing and monitoring the progression of AD remains unclear.
Methods: A total of 42 normal controls, 63 patients with mild cognitive impairment due to AD (AD-MCI), and 49 patients with dementia due to AD (AD-D) were recruited.
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