Internet-based Mind-Body Training for Brain Health

Inclusion Criteria: * Aged 50 years or greater * Capable of attending screening and assessment sessions and the internet-based intervention modules * Fluent English speaker * Corrected (near and far) visual acuity of 20/40 or better * Adequate hearing for experimental purposes * Absence of diagnosed terminal illness * Absence of diagnosed neurological disorders * No history of psychotic disorder or substance abuse disorder diagnosed by a psychologist or psychiatrist * Absence of medication use that significantly alters brain activity * No history of diagnosed learning disability that would interfere with the completion of the cognitive tasks * Report elevated scores on the self-report Everyday Cognition (E-Cog)-39 subjective cognitive decline with normatively intact performance on cognitive testing (as determined by the neuropsychological battery) * No evidence of mild cognitive impairment or dementia as assessed by the neuropsychological measures from the National Alzheimer's Coordinating Center (NACC) Uniform Data Set OR inadequate self-reported performance of instrumental activities of daily living * Ability to engage in light stretching/movement-based activities with or without assistive devices * Absence of any MRI contraindications * Not pregnant and not attempting to become pregnant * Absence of self-reported claustrophobia * No regular practice of meditation or yoga (defined as once or more per week) AND No previous participation in a structured mindfulness class (e.…