Effects of physical exercise on neural correlates of associative memory function in the elderly
- Conditions
- healthy subjects
- Registration Number
- DRKS00003729
- Lead Sponsor
- Klinik für Psychiatrie und Psychotherapie, Universität Duisburg-Essen
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 40
1) Age > 55
2) Either physically fit or not: High exercise (3 x 1 hour of physical demanding activities per week) or low exercise with a negative history of regular physical demanding activites
3) If diabetes mellitus type II present: HBA1C<8%
1) Major psychiatric diseases including current episode of depressive or mood disorder, sleep disorder, psychosis, substance misuse or dependency
2) Major neurological or other somatic diseases
3) Diabetes mellitus type I and type II with HBA1C>8%
4) Regular medication other than diabetes type II related medication
5) Febrile illness within 3 days of study participartion
6) Contraindications against MRI assessments (e.g. metal implementation)
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Functional MRI activation of the Hippocampus in an associative memory task
- Secondary Outcome Measures
Name Time Method 1) Functional MRI related prefrontal and parietal activations in visual two-back working memory task<br>2) Hippocampus volume <br>3) Blood parameters of neurogenesis<br>4) Neuropsychological assessment: <br>a) Cambridge Neuropsychological Test Automated Battery Subtest Reaction Time<br>b) Cambridge Neuropsychological Test Automated Battery Subtest Paired Associates Learning <br>c) Cambridge Neuropsychological Test Automated Battery Subtest Intra- Extra-Dimensional Set Shift <br>d) Cambridge Neuropsychological Test Automated Battery Subtest Delayed Matching to Sample <br>e) Verbaler Lern und Merkfähigkeitstest (VLMT) verbal learning (German version of the Auditory Verbal Learning Test). <br>f) Brief Visuospatial Memory Test Revised - visual Memory <br>g) Stroop Test<br>h) Trail Making Test A/B<br>i) Controlled Oral Word Association Test<br>j) Mehrfachwahl Wortschatz Intelligenztest B (German basic IQ Test)<br>k) Wechsler Memory Scale Revised Subtest Logical Memory