Inclusion Criteria:

• Adult aged 60 and older,
• Normal or corrected vision and normal hearing for their age range,
• No cognitive impairment (Mini-Mental State Examination - MMSE ≥ 25),
• Inactive (< 150 min of physical activity per week).

Exclusion Criteria:

• MMSE ≤ 24 or diagnosis of dementia,
• Uncontrolled psychological / psychiatric condition within the past 6 months,
• Neurological disease,
• Severe exercise intolerance,
• Respiratory disease (e.g., asthma, COPD),
• Excessive alcohol consumption (> 15 drinks/week),
• Documented cerebral, peripheral or coronary atherosclerotic disease,
• Chronic systolic or diastolic heart failure,
• Symptomatic aortic stenosis,
• Atrial fibrillation,
• Automatic implantable defibrillator or permanent pacemaker,
• Malignant exertional arrhythmias,
• Non-cardiopulmonary limitation to exercise (e.g., arthritis).