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To test a 14-hour prolonged nightly fasting (PNF) protocol in a group of older adults (≥ 65 years old) with self-identified age-related cognitive decline (ARCD) on the primary outcome of neurocognitive function and performance as measured by objective outcomes. The investigators will use an 8-week single group pre-post pilot study design to measure outcomes related to neurocognitive function and performance and cardiometabolic risk factors (i.e., sleep disturbances, body mass index).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention Arm | Experimental | 8 week 14 hour prolonged nightly fasting intervention. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PNF | Other | PNF Participants will engage in 8 weeks of 14 hours per night fasting |
|
| Measure | Description | Time Frame |
|---|---|---|
| Memory and Attention Phone Screener (MAPS) | Cognitive Function and Performance Test. | 8 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Rapid Eating Assessment for Participants Scale (REAPS) | Scale to asses eating behaviors. The scale has a minimum of 13 and a maximum of 39. Higher scores indicate higher diet quality. | 8 weeks |
| Insomnia Severity Index (ISI) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Arizona State University | Phoenix | Arizona | 85004 | United States |
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Scale to asses insomnia symptoms. The scale has a minimum of zero and maximum of 28 where zero would be absence of insomnia and 28 would be severe insomnia.
| 8 weeks |
| Mindful Eating Scale (MES) | Scale to asses behaviors related to mindful eating. Each item has a minimum of zero and a maximum of 4 where 4 means less eating awareness. | 8 weeks |
| Creature of Habit Scale (COHS) | Scale to asses routine habits. Each item has a minimum of zero and a maximum of 4 where 4 means a more habitual nature. | 8 weeks |
| Salivary Cortisol | Measure of cortisol via participant saliva samples. | 8 weeks |
| Body Mass Index (BMI) | Self-reported body measurements . | 8 weeks |