Cardiology
How reliable is your wearable heart-rate monitor?
Fitbit, Garmin and other consumer heart-rate monitors are increasingly being used in clinical trials. The problem is, they're not always very accurate.
Jun 20, 2018
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Page 5 - News tagged with light signals
Medical research
Artificial retinas—promising leads towards clearer vision
A major therapeutic challenge, the retinal prostheses that have been under development during the past ten years can enable some blind subjects to perceive light signals, but the image thus restored is still far from being ...
Aug 25, 2016
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Genetics
Watching the luminescent gene switch
Scientists have found a way to simultaneously monitor the switching on and off of circadian "clock" genes and their effects on mouse behaviour in real-time.
Jun 20, 2016
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Ophthalmology
Smart microchips may optimise human vision
To date, chip-based retinal implants have only permitted a rudimentary restoration of vision. However, modifying the electrical signals emitted by the implants could change that. This is the conclusion of the initial published ...
May 11, 2015
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Oncology & Cancer
Enlightening cancer cells
Joint EMBO Journal paper by IST Austria and Vienna Medical University groups on engineered cell surface receptors activated by light. Small algal protein domains serve as synthetic light sensors in human cells. First application ...
Jul 1, 2014
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Medical research
Researchers report a complete description of gene expression in the human retina
Investigators at Massachusetts Eye and Ear and Harvard Medical School have published the most thorough description of gene expression in the human retina reported to date. In a study published today in the journal BMC Genomics, ...
Jul 18, 2013
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Overweight & Obesity
Pleasure response from chocolate: You can see it in the eyes
The brain's pleasure response to tasting food can be measured through the eyes using a common, low-cost ophthalmological tool, according to a study just published in the journal Obesity. If validated, this method could be ...
Jun 24, 2013
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Psychology & Psychiatry
Neither flashing traffics lights nor the colour yellow deter pedestrians from crossing
A study by scientists at the University of Granada (UGR) has shown that neither flashing traffic lights and nor the colour yellow have any effect on pedestrians. Only the two mandatory phases–steady green and steady red–are ...
Apr 9, 2015
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Psychology & Psychiatry
Family practice offers genetic tests to predict effective psychiatric meds
For the first time in Canada, patients attending a family practice clinic will be offered genetic testing to see whether or how they will respond to psychiatric medication treatment, in partnership with the Centre for Addiction ...
Jan 30, 2013
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Health
To assess the mobility of bed-ridden patients
In June a monitoring system is becoming commercially available that will allow nursing staff to accurately record the mobility of bedridden persons. The system has been developed for the prevention of bedsores by Compliant ...
Apr 26, 2012
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