Healthy older observers show equivalent perceptual-cognitive training benefits to young adults for multiple object tracking.
Isabelle Legault, Rémy Allard, Jocelyn Faubert
https://pubmed.ncbi.nlm.nih.gov/23761025/Actively Recruiting
Led by Hospital General de México Dr. Eduardo Liceaga · Updated on 2025-11-17
42
Participants Needed
2
Research Sites
35 weeks
Total Duration
Obesity is a chronic, multifactorial disease linked to increased risks of cognitive decline and neurodegenerative disorders such as Alzheimers. This research aims to evaluate how bariatric surgery, which reduces fat and systemic inflammation, may impact cognitive function using virtual reality and neuropsychological testing. The study will compare cognitive performance before and after surgery to better understand factors predicting improvement. Participants with morbid obesity who are candidates for bariatric surgery will be included. Cognitive function will be assessed with the Neurotracker virtual reality tool three times weekly for two weeks before surgery, then again at 3 and 6 months post-surgery. The Neuropsi neuropsychological battery will be administered once before surgery and repeated at 6 months. The study includes a control group without obesity for comparison. During the study, participants will undergo multiple Neurotracker sessions totaling 80 trials per visit across 9 visits and Neuropsi assessments at baseline and 6 months. Researchers will analyze changes in cognitive performance after bariatric surgery. The study will monitor outcomes over 6 months and aims to provide insights into cognitive benefits from weight loss surgery and the predictors of these effects.
CONDITIONS
Evaluation of Cognitive Improvement After Bariatric Surgery Using a Virtual Reality Program and the Neuropsi Neuropsychological Battery
A
Argelia Pérez Pacheco, PhD
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Hospital General de México Dr. Eduardo Liceaga
Lead Sponsor
Université de Montréal
Collaborating Sponsor
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Day of surgery
Participants receive bariatric surgery to induce sustained weight loss by modifying gastrointestinal anatomy.
1 visit (in-person)
Duration - Approximately 6 months
Participants complete NeuroTracker cognitive evaluation sessions before surgery, and at 3 months and 6 months after surgery to assess cognitive improvement.
9 visits total across pre-surgery and post-surgery assessments
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
SINGLE_GROUP
Primary Purpose
OTHER
Number of Arms
2
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https://pubmed.ncbi.nlm.nih.gov/36767489/Hospital General de México Dr. Eduardo Liceaga
Lead Sponsor
Université de Montréal
Collaborating Sponsor