Exam Study Expert: ace your exams with the science of learning

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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ADVICE

Use Sunlight To Anchor Rhythm

  • Respect natural light cues by aligning sleep–wake timing with sunrise and sunset when possible.
  • Use daylight exposure to support circadian rhythms and overall brain health.
ADVICE

Find The Food Sweet Spot

  • Avoid heavy meals before study or exams; aim for an "alert but calm" sweet spot around 80% full.
  • Use moderate hunger to boost search/attention states, but never starve before performance.
ADVICE

Make Sleep Regularity King

  • Prioritise regular bed and wake times over obsessing about total sleep hours.
  • Minimise large swings in sleep timing across term and holidays to protect long‑term brain health.
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