Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Early visual experience affects memorization and spatial representation of proprioceptive targets

Y Rossetti1, F Gaunet, C Thinus-Blanc

  • 1Vision et Motricité, INSERM U94, Brono, France.

Neuroreport
|April 26, 1996
PubMed
Summary

Early blind individuals and blindfolded sighted individuals show distinct spatial memory strategies. Early blind subjects rely on movement direction, while sighted subjects use target location, especially with longer delays.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Dog behaviours in veterinary consultations: Part II. The relationship between the behaviours of dogs and their owners.

Veterinary journal (London, England : 1997)·2022
Same author

Dog behaviours in veterinary consultations: Part 1. Effect of the owner's presence or absence.

Veterinary journal (London, England : 1997)·2022
Same author

Prism adaptation effects in complex regional pain syndrome: A therapo-physiological single case experimental design exploratory report.

Neuropsychological rehabilitation·2021
Same author

Adapting terminology: clarifying prism adaptation vocabulary, concepts, and methods.

Neuroscience research·2019
Same author

Can you guess the colour of this moving object? A dissociation between colour and motion in blindsight.

Neuropsychologia·2018
Same author

Complexity vs. unity in unilateral spatial neglect.

Revue neurologique·2017

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Sensory Perception

Background:

  • Proprioception is crucial for spatial memory.
  • Visual experience may influence how spatial information is processed and recalled.

Purpose of the Study:

  • To investigate differences in spatial memory between individuals blind from an early age and sighted individuals with induced blindness.
  • To explore the role of early visual experience and delay duration on spatial memory representations.

Main Methods:

  • A spatial memory task involving passive finger positioning and active pointing recall.
  • Comparison of pointing accuracy, variability, and distribution between early blind and blindfolded sighted groups.
  • Manipulation of delay intervals (0 s and 8 s) between target presentation and recall.

Related Experiment Videos

Main Results:

  • Spatial memory performance differed between groups, particularly after an 8-second delay.
  • Blindfolded sighted subjects exhibited higher pointing variability and alignment with target arrays at longer delays.
  • Early blind subjects consistently aligned their pointing with movement direction, irrespective of delay.

Conclusions:

  • Early visual experience shapes spatial memory representations.
  • Proprioceptively defined targets are processed differently based on visual history and temporal delay.
  • Distinct neural mechanisms may underlie spatial memory in congenitally blind versus sighted individuals.