⚡ Reaction Time 5 trials — click the instant the panel turns green 🧩 Sequence Memory Tiles flash in order — replay the growing sequence 🔢 Digit Span Digits appear one per second — key them back in order 🔀 Reverse Digit Span Same drill, but key the digits back in reverse ▣ Corsi Blocks Nine blocks flash in order — tap them back as the span grows 👀 Visual Memory A tile pattern flashes for one second — tap it back from memory 🐒 Chimp Test Numbers hide the moment you tap 1 — clear them in order 🧮 Number Memory One long number, one timed look — type it back 🎯 N-Back Tap MATCH when the square repeats its position from n steps back 🎨 Stroop Focus Answer the ink color, not the word — 48 quick calls ❖ Symbol Match Match symbols to digits against a 90-second clock