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211. Neuroscience Secrets: Attention, Focus and Memory with Dr Sarah McKay

Jan 11, 2026
Dr Sarah McKay, neuroscientist and author who translates brain science into practical tips. She explores a simple brain model and the seven basics of brain hygiene. Short naps, sleep regularity, and the hunger “sweet spot” for alert learning get attention. She also covers phones as attention magnets, spaced practice, metacognition and rehearsal for exam-time emotion and performance.
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INSIGHT

A Simple Three‑Part Brain Model

  • The brain constantly integrates body signals, outside stimuli, and top-down thoughts to decide actions.
  • Sarah McKay calls this model "bottom up, outside in, top down" to explain moment-to-moment processing.
ADVICE

Back To Boring Basics

  • Prioritise basic body care: nutritious whole foods, regular movement, and consistent sleep.
  • Treat the brain like any other organ and support it with healthy lifestyle habits.
INSIGHT

Phones Amplify Social Salience

  • Social relationships are a major source of resilience but also vulnerability, especially in adolescence.
  • Modern phones massively increase outside‑in information salience compared with evolutionary environments.
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