MIND Diet to Improve Cognitive Function in Mild Stroke Patients (MINDICOMS) II

Inclusion Criteria: * Clinically confirmed new cerebral infarction, onset hospitalization time ≤14 days * National Institutes of Health Stroke Scale (NIHSS) score of 0-6, with no difficulty in autonomous eating or aphasia * Baseline MMSE score being 16-25/30 points or MoCA score ≤24/30 points, with signs of post-stroke cognitive decline * Baseline MIND dietary pattern screening scale score ≤10/15 points * Body mass index no less than 18.0 kg/m2 * Normal chewing function, able to eat hard foods such as nuts * Willing to participate and sign an informed consent form * Agree not to take over-the-counter nutritional supplements during the trial period * Able to understand research procedures and adhere to them throughout the entire study period * Completed the run-in test Exclusion Criteria: * Diagnosis of dementia at a county-level or above hospital before the stroke or suspected to have pre-stroke dementia from the informant interview administered by a neurologist. * Participation in or have participated in other clinical trial studies within the past year * Allergies to foods involved in the experiment (nuts, berries, olive oil, or fish, etc.) or using drugs not compatible with foods involved. * Medication to treat Alzheimer's or Parkinson's disease * Diagnosis of cancer, severe liver and kidney disease, or current life expectancy less than 6 months * Diagnosis of depression, bipolar disorder, or other mental illnesses * Pregnancy or breastfeeding or with a pregnancy plan *…