Memory: How to Boost It

What It Covers

Science Vs examines memory science with neuroscientist Charan Ranganath, revealing why forgetting is normal brain function, debunking memory supplements and brain training claims, and identifying sleep as the most evidence-backed memory enhancement strategy.

Key Questions Answered

• •Event boundaries: Walking through doorways triggers mental resets that erase short-term intentions. Combat this by visualizing yourself completing the task in the next room before leaving your current location to pre-plant the memory.
• •Retrieval practice: Guessing answers before learning correct information strengthens memory formation more than passive learning. The emotional stakes of being wrong make your brain prioritize storing the accurate answer, improving retention across all learning contexts.
• •Sleep consolidation: Sleeping within hours of learning new information produces measurable memory improvements that persist for years. Studies tracking participants four years later found those who slept after reading material retained significantly more than those who stayed awake.
• •Wakeful rest: Taking walks or allowing mental downtime without phone stimulation enables brain replay events that cement memories. Multiple studies confirm that relaxing for 10-15 minutes after learning new information improves memory retention compared to continuous stimulation.