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Contact Lenses That Darken In Bright Light

Researchers have been trying to coat contact lenses with light sensitive dyes to have them turn dark during bright lighting conditions. Glasses with this property have existed for decades, but the same coating methods are not applicable to contacts.

Technology Review reports on work by the Institute for Bioengineering and Nanotechnology (IBN) in Singapore to use the entire volume of the lens to contain the dye: Read more »

*This blog post was originally published at Medgadget*

Can You Diagnose A Cough By Its Sound?

DiscoveryNews is reporting on a Bedford, Massachusetts company developing software that can detect the difference between a typical cough and one caused by a cold, flu, COPD, or a number of other respiratory diseases. STAR Analytical Services is working with a database of pre-recorded coughs to determine signatures that point to underlying conditions.

The final 100 to 150 milliseconds of the cough contains the distinctive sounds that could help doctors and nurses remotely diagnose a cough as the common cold or more serious pneumonia.

Even with a limited amount of data, scientists can distinguish between a healthy, voluntary cough and the involuntary cough of a sick person. Healthy people have slightly louder coughs, about 2 percent louder than a sick person. Read more »

*This blog post was originally published at Medgadget*

Do Newborn Babies Cry With Mother’s Accent?

French and German scientists decided to analyze the crying of newborns from the two countries for differences in intonation. Turns out that German babies have a different “accent” to their cry compared with those from France, which implies that language learning perhaps begins even in the womb.

The analysis of crying conducted under the supervision of the psychologist Kathleen Wermke from the ZWES showed that the newborns tended to produce the intonation pattern most typical for their respective mother tongue. The crying patterns of the German infants mostly began loud and high and followed a falling curve while the French infants more often cried with a rising tone. This early sensitivity to features of intonation may later help the infants learn their mother tongue, the researchers say. “When they begin to form their first sounds, they can build on melodic patterns that are already familiar and, in this way, don’t have to start from scratch”, says the neuropsychologist. The evolutionary roots of this behaviour are older than the emergence of spoken language, the researchers believe. “The imitation of melodic patterns developed over millions of years and contributes to the mother-child bond” says Friederici.

Press release: Babies with an accent …

Abstract in Current Biology: Newborns’ Cry Melody Is Shaped by Their Native Language…

*This blog post was originally published at Medgadget*

Steve Wozniak Showing Off a Prized Gadget

One of the attendees to this year’s TEDMED was the venerable Steve Wozniak, founder of Apple Computer. Steve is an engaging person so he wanted to show us his NIXIE tube wrist watch and how he uses it to intimidate fellow airline travelers. It ain’t medical, but is surely amusing:

*This blog post was originally published at Medgadget*

GE’s Pocket Ultrasound Machine

As we wrote yesterday, GE released a handheld ultrasound system unlike any other. Yesterday, at a GE press conference in New York, we saw the device first hand and we brought a video back of a company rep demonstrating its use. At 3 inches wide, 5.3 inches long, and about an inch high, the device already has FDA and European approval. GE plans to first conduct a real world study of how the Vscan will be used by clinicians before releasing it to the general market. Read more »

*This blog post was originally published at Medgadget*

Latest Interviews

IDEA Labs: Medical Students Take The Lead In Healthcare Innovation

It’s no secret that doctors are disappointed with the way that the U.S. healthcare system is evolving. Most feel helpless about improving their work conditions or solving technical problems in patient care. Fortunately one young medical student was undeterred by the mountain of disappointment carried by his senior clinician mentors…

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How To Be A Successful Patient: Young Doctors Offer Some Advice

I am proud to be a part of the American Resident Project an initiative that promotes the writing of medical students residents and new physicians as they explore ideas for transforming American health care delivery. I recently had the opportunity to interview three of the writing fellows about how to…

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Latest Book Reviews

Book Review: Is Empathy Learned By Faking It Till It’s Real?

I m often asked to do book reviews on my blog and I rarely agree to them. This is because it takes me a long time to read a book and then if I don t enjoy it I figure the author would rather me remain silent than publish my…

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The Spirit Of The Place: Samuel Shem’s New Book May Depress You

When I was in medical school I read Samuel Shem s House Of God as a right of passage. At the time I found it to be a cynical yet eerily accurate portrayal of the underbelly of academic medicine. I gained comfort from its gallows humor and it made me…

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Eat To Save Your Life: Another Half-True Diet Book

I am hesitant to review diet books because they are so often a tangled mess of fact and fiction. Teasing out their truth from falsehood is about as exhausting as delousing a long-haired elementary school student. However after being approached by the authors’ PR agency with the promise of a…

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