Please select the eligibility criteria that correspond to the clinical trial below.
Title: Enhancing Cognitive Abilities With Comprehensive Training: A Large, Online, Randomized, Active-Controlled Trial
Brief Summary: The purpose of this study is to measure the efficacy of an online cognitive training program against an active control condition in a large, randomized trial.


Options:
A: Inclusion Criteria:

1. At least 60 years of age
2. Self-reported levels of proficiency in English (French for Montreal site only) for speaking and understanding spoken language.
3. Able to comply with scheduled visits, treatment plan, and other trial procedures
4. Able to ambulate at least 10 meters independently
5. Having MCI operationalized using Albert et al. criteria as:

   * objective cognitive impairment in one of the following four cognitive domains: memory, executive function, attention, and language evaluated by the Montreal Cognitive Assessment (MoCA) test with scores ranging from 13-24/30.
   * Preserved activities of daily living on the disability scale confirmed by clinician interview
6. Having normal or corrected to normal vision in at least one eye so that they can identify symbols and stimuli presented on a computer screen in front of them.
7. Must be in sufficient health to participate in the study's aerobic-based exercise training program, based on medical history, vital signs, physical examination by study physicians, or written recommendation by family physician indicating one's appropriateness to participate in aerobic-based exercise training program.

Exclusion Criteria:

1. Serious underlying disease (such as active cancer, or recent heart attack) which, in the opinion of the investigator, may preclude engagement in interventions or may interfere with the participant's ability to participate fully in the study.
2. Diagnosis of dementia using criteria from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition.
3. Participant with uncontrolled major depression, schizophrenia, severe anxiety and substance abuse.
4. Current parkinsonism or any neurological disorder with residual motor deficits (e.g. stroke with motor deficit), active musculo-skeletal disorders (e.g. severe osteoarthritis of lower limbs) or history of knee/hip replacement affecting gait performance at clinical evaluation.
5. Intention to enroll in other clinical trials during the same time period
6. Pre-existing exercise structured training program involving aerobic or resistance training in previous 6 months.
7. Taking cognitive enhancers, neuroleptics, anticholinergics or Vitamin D3 in doses more than 1000IU/day or equivalent.
B: Inclusion Criteria:

* aged 60-77 years
* dementia Risk Score 6 points or more
* fulfillment of at least one of the following CERAD criteria: i) MMSE: 20-26 points ii) word list memory task (3x10 words): 19 words or less iii) delayed recall: 75% or less

Exclusion Criteria:

* malignant diseases
* dementia
* substantial cognitive decline
* major depression
* symptomatic cardiovascular disease
* revascularisation within 1 year
* severe loss of vision, hearing or communicative ability
* other conditions inhibiting from safe engagement in the prescribed intervention as judged by the study physician
* other conditions preventing from cooperation as judged by the study physician
C: Inclusion Criteria:

* Engaged with the Lumosity program at least 3 days in the first week after sign-up
* Access to an internet enabled computer to complete training

Exclusion Criteria:

* Paying subscriber
D: Inclusion Criteria:

1. able to follow instruction,
2. clinical dementia rating (CDR) = 0.5 or 1,
3. self- or informant-reported memory or cognitive complaint, and
4. able to perform activities of daily living (Barthel Index ≥ 70).

Exclusion Criteria:

1. recent myocardial infarction,
2. heart failure,
3. recent heart surgery,
4. severe asthma,
5. concomitant with other neurological disorders, or
6. joint deformity that might prevents them performing exercise or cognitive training.

Answer: C