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).
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
20
PNF Participants will engage in 8 weeks of 14 hours per night fasting
Arizona State University
Phoenix, Arizona, United States
Memory and Attention Phone Screener (MAPS)
Cognitive Function and Performance Test.
Time frame: 8 weeks
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.
Time frame: 8 weeks
Insomnia Severity Index (ISI)
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.
Time frame: 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.
Time frame: 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.
Time frame: 8 weeks
Salivary Cortisol
Measure of cortisol via participant saliva samples.
Time frame: 8 weeks
Body Mass Index (BMI)
Self-reported body measurements .
Time frame: 8 weeks
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