An Examination of Visual Perceptual Training

Status Completed

Clinical Trial Summary

Perceptual-cognitive training (PCT) is a computerized software game has been shown to improve sport performance in young elite athletes and even to aid in recovery speeds post-concussion. PCT may represent a unique type of training that could ultimately enhance cognitive performance or quality of life in all populations. What is not clear is whether PCT is beneficial to older adults with subjective memory complaints (SMCs). SMCs in older adults are an early risk indicator for Alzheimer's disease, making older adults with SMCs a target population for proactive interventions. The aim of this study was to determine if PCT can serve as a proactive intervention and enhance cognitive abilities in older adults with SMCs. The results of this research protocol introduce a new way of prevention from cognitive decline in healthy older adults and may introduce a new training programs for age-related memory disorder.

Clinical Trial Description

This study was approved by the University of Victoria Human Research Ethics Board (Protocol Number 17-167) and all participants provided their informed written consent prior to participating in this study. In order to reduce the placebo effect, the participants were randomly divided into the experimental and control groups. Participants from both the experimental and control groups received a total of three neuropsychological assessments over a three month period (i.e. baseline, 7 weeks, 11 weeks). Considering that an essential methodological component of the training studies is the use of standardized neuropsychological tests, validated and reliable measures such as STROOP TEST, DIGIT SPAN TEST, TRAIL MAKING TEST, VERBAL FLUENCY TESTS, CALIFORNIA VERBAL LEARNING TEST Second Edition (i.e., standard and alternate forms), were used at different time points. Each assessment was 50-60 minutes in duration and was administered by an expert neuropsychology resident. The first assessment was administered at baseline . Then, the experimental group underwent seven weeks of perceptual cognitive training, while the control group completed seven weeks without formal training. The treatment for the PCT group consisted of 14 sessions of training each lasting 25-30 min, twice per week for seven weeks. After the seven-week time period, a second neuropsychological assessment was performed on both groups. After eleven weeks, a follow-up assessment was conducted to verify whether the benefits of cognitive training endure over time. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03763344
Study type	Interventional
Source	University of Victoria
Contact
Status	Completed
Phase	N/A
Start date	June 28, 2017
Completion date	July 15, 2018

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.