Detecting patients’ pain levels via their brain signals

The system could help with diagnosing and treating patients that cannot communicate.

Pat Greenhouse/The Boston Globe via Getty Images

Researchers from MIT and elsewhere have developed a system that measures a patient's pain level by analyzing brain activity from a portable neuroimaging device.

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How can doctors tell if you wake up during surgery?

Researchers are only just beginning to really understand anaesthesia awareness.

Waking up during surgery – it's terrifying to think about. But it does happen.

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Michio Kaku: Feedback loops are creating consciousness

Our ability to make predictions about the future distinguishes our level of consciousness.

  • One of the great questions in all of science is where consciousness comes from.
  • When it comes to consciousness, Kaku believes different species have different levels of consciousness, based on their feedback loops needed to survive in space, society, and time.
  • According to the theoretical physicist, human beings' ability to use past experiences, memories, to predict the future makes us distinct among animals — and even robots (they're currently unable to understand, or operate within, a social hierarchy).
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How to use mindfulness to boost your standardized test performance

An expert's take on how to ace your exams through mindfulness.

Photo by Lacie Slezak on Unsplash
  • Being here and in the present is a necessity, if you want to excel in any situation.
  • Author Logan Thompson explores in his new book how mindfulness is one of the most important aspects of test taking.
  • Mindfulness is something that anyone can take up.
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Many vegetative patients are actually 'covertly conscious'

This unsettling new understanding of vegetative patients raises medical ethics issues.

Photo by Daan Stevens on Unsplash
  • For a long time, doctors assessed whether patients were in vegetative states through behavioral tests.
  • However, brain scans have revealed that some of these patients are actually in a state of "covert consciousness."
  • Covertly conscious patients are aware of their surroundings, but cannot respond to external stimuli.
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