Online Meditation for Mild Cognitive Impairment and Mild Dementia

Inclusion Criteria: * Age 60 years or older. * MCI: Concern regarding a change in cognition, with impairment in one or more cognitive domains, including memory, executive function, attention, language, and visuospatial skills. Preservation of independence in functional abilities and does not meet the criteria for dementia, as described in the National Institute on Aging and Alzheimer's Association (NIA-AA) diagnostic guidelines. * Mild dementia: As described in the NIA-AA research framework, mild dementia is defined as substantial progressive cognitive impairment affecting several domains and/or neurobehavioral disturbances. Documented by the individual's report, an observer (e.g., a study partner) report, or by changes observed on longitudinal cognitive testing. Clearly evident functional impact on daily life, mainly affecting instrumental activities. No longer fully independent and requires occasional assistance with daily activities. * Access to an electronic device (e.g., smartphone, computer, or tablet) and the internet. * Ability and willingness to provide informed consent by signing the Consent Form. Exclusion Criteria: * Current active or past significant experience with meditation. * Clinically significant mental or physical health disorder beyond MCI or dementia that may affect cognition and/or the ability to complete the study (e.g., severe depression, suicidality, psychosis, post-traumatic stress disorder (PTSD), major psychiatric diagnoses, social anxiety (e.g., difficulty participating in a group setting), or severe impairments in eyesight, hearing, or upper limb motor movements). * Inability to commit to attending classes (e.g., planning to miss three or more classes). * Lack of proficiency in English. * Diagnosed with moderate or severe dementia.