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Cable-Free Brain Imaging

  • Magazine Article
  • TBMG-34800
Published 2019-07-01 by Tech Briefs Media Group in United States

Existing electrophysiological and fluorescence-based brain imaging techniques in mice are generally invasive, require head fixes or cables, and are not suitable for long-term recordings. While there have been recent advances in imaging methods in freely moving animals, these are major limitations for researchers that are interested in the brain correlates of social behaviors.

 

Coached by Brainwaves, Hearing Device Singles Out Speaker in a Crowd

  • Magazine Article
  • TBMG-34809
Published 2019-07-01 by Tech Briefs Media Group in United States

The next generation of hearing aids might match a listener's brainwaves with the “soundprint” of a speaker's voice, using that information to automatically turn up the volume on that speaker, according to a new study in a recent issue of Science Advances.

 

New Electromyography Biofeedback Device

  • Magazine Article
  • TBMG-34594
Published 2019-06-01 by Tech Briefs Media Group in United States

Anew electromyography biofeedback device that is wearable and connects to novel smartphone games may offer people with incomplete paraplegia a more affordable, self-controllable therapy to enhance their recovery, according to a new study. Electromyography (recording electrical activity of muscles) biofeedback has been shown to enhance recovery of muscle control in people with incomplete spinal cord injury. However, existing biofeedback therapy devices are expensive and can be operated only by trained personnel in a laboratory environment. These factors prevent many people — up to 50,000 in the United States — from accessing the biofeedback therapy that could benefit their recoveries.

 

Force-Sensitive Innovations: Addressing Cerebral Palsy Challenges with Electronic Medical Training Devices

  • Magazine Article
  • TBMG-34559
Published 2019-06-01 by Tech Briefs Media Group in United States

Nine years ago, Julian Gunderson was born three months prematurely and weighed just 1 kg (2.2 lb). After a year's worth of injections, medications, transfusions, and other treatments, doctors diagnosed Julian with cerebral palsy.

 

Synthetic Speech Generated from Brain Recordings

  • Magazine Article
  • TBMG-34567
Published 2019-06-01 by Tech Briefs Media Group in United States

A state-of-the-art brain-machine interface created by UC San Francisco neuroscientists can generate natural-sounding synthetic speech by using brain activity to control a virtual vocal tract — an anatomically detailed computer simulation including the lips, jaw, tongue and larynx.

 

Driving Simulator Performance in Charcot-Marie-Tooth Disease Type 1A

SAE International Journal of Transportation Safety

University of Iowa Carver College of Medicine, USA-Nivedita U. Jerath, Nazan Aksan, Jeffrey D. Dawson, Michael E. Shy
University of Nebraska Medical Center, USA-Matthew Rizzo
  • Journal Article
  • 09-07-01-0003
Published 2019-05-10 by SAE International in United States
Introduction: This study evaluates driving ability in those with Charcot-Marie-Tooth Disease Type 1A, a hereditary peripheral neuropathy. Methods: Individuals with Charcot-Marie-Tooth Disease Type 1A (n = 18, age = 42 ± 7) and controls (n = 19; age = 35 ± 10) were evaluated in a driving simulator. The Charcot-Marie-Tooth Neuropathy Score version 2 was obtained for individuals. Rank Sum test and Spearman rank correlations were used for statistical analysis. Results: A 74% higher rate of lane departures and an 89% higher rate of lane deviations were seen in those with Charcot-Marie-Tooth Disease Type 1A than for controls (p = 0.005 and p < 0.001, respectively). Lane control variability was 10% higher for the individual group and correlated with the neuropathy score (rS = 0.518, p = 0.040), specifically sensory loss (rS = 0.710, p = 0.002) and pinprick sensation loss in the leg (rS = 0.490, p = 0.054). Discussion: Driving simulator assessment demonstrated more lane control errors in those with Charcot-Marie-Tooth Disease Type 1A, which correlated with lower extremity sensory loss. There was…
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Detect Ultra Rare Proteins in Blood Using a Cellphone Camera

  • Magazine Article
  • TBMG-34418
Published 2019-05-01 by Tech Briefs Media Group in United States

One of the frontiers of medical diagnostics is the race for more sensitive blood tests. The ability to detect extremely rare proteins could make a life-saving difference for many conditions, such as the early detection of certain cancers or the diagnosis of traumatic brain injury, where the relevant bio-markers only appear in vanishingly small quantities. Commercial approaches to ultrasensitive protein detection are starting to become available, but they are based on expensive optics and fluid handlers, which make them relatively bulky and expensive and constrain their use to laboratory settings.

 

Products of Tomorrow: May 2019

  • Magazine Article
  • TBMG-34400
Published 2019-05-01 by Tech Briefs Media Group in United States

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

 

MRI Sensor Can Image Activity Deep Within the Brain

  • Magazine Article
  • TBMG-34430
Published 2019-05-01 by Tech Briefs Media Group in United States

A new way to image calcium activity is based on magnetic resonance imaging (MRI) and allows them researchers to peer much deeper into the brain. Using this technique, they can track signaling processes inside the neurons of living animals, enabling them to link neural activity with specific behaviors.

 

Implant Tracks Rogue Brain Chemicals

  • Magazine Article
  • TBMG-34436
Published 2019-05-01 by Tech Briefs Media Group in United States

Engineers have built a tiny, flexible sensor that is faster and more precise than past attempts at tracking this chemical, called glutamate. The sensor, an implantable device on the spinal cord, is primarily a research tool for testing in animal models but could find future clinical use as a way to monitor whether a drug for neurotrauma or brain disease is working.