Trial Parameters
Brief Summary
The main purpose of this project is to establish whether changes in brain connectivity can be used to predict the development of Alzheimer's disease (AD).
Eligibility Criteria
Inclusion Criteria: 1. Inclusion criteria for subjects with subjective cognitive complaints: * MMSE (Mini-mental test) or MoCA (Montreal Cognitive Assessment) points between 26 and 30. * Absence of cognitive impairment. * Memory problems reported by the participant/family member. * Do not fulfill criteria for mild cognitive impairment or dementia. * Must speak and understand Swedish. 2. Inclusion criteria for patients with mild cognitive impairment: * MMSE (Mini-mental test) or MoCA (Montreal Cognitive Assessment) points between 24 and 30. * Impaired memory function. * Do not fulfill criteria for dementia. * Must speak and understand Swedish. * Must have abnormal cerebrospinal fluid amyloid-β 42/40 ratio levels, which is a biomarker of Alzheimer's disease. 3. Specific inclusion criteria for patients with Alzheimer's disease: * MMSE (Mini-mental test) or MoCA (Montreal Cognitive Assessment) points between 18 and 28. * Impaired memory function in addition to impaired executive abilities,