Keyword: Nervous system

Briefs: Medical
Functional Near-Infrared Spectroscopy Signals Measure Neuronal Activity in the Cortex

Functional near infrared spectroscopy (fNIRS) is an emerging optical neuroimaging technology that indirectly measures neuronal activity in the cortex via neurovascular coupling. It quantifies hemoglobin concentration ([Hb]) and thus measures the same...

Briefs: Physical Sciences
Data Transfer for Multiple Sensor Networks Over a Broad Temperature Range

At extreme temperatures, cryogenic and over 300 °C, few electronic components are available to support intelligent data transfer over a common, linear combining medium. This innovation allows many sensors to operate on the same wire bus (or on the same airwaves or optical...

Research News: Lighting
Low-Level Light Therapy Could Be Used to Treat Alzheimer’s Patients

Among Americans over 80, who represent the fastest growing segment of the U.S. population, half are debilitated with a neurodegenerative disorder. Of this group, 5.4 million now have Alzheimer’s Disease, and according to recent data released by the Alzheimer’s Association,...

Articles: Medical

Ask the Denver attorney whose legs were smashed in a car accident. Ask the veterans rehabilitating from injuries sustained while defending the nation. Ask NBA star Blake Griffin, or NFL safety Jim Leonhard,...

Briefs: Medical

A readily portable miniature microscope weighing less than 2 grams and tiny enough to balance on your fingertip has been developed. The scope is designed to see fluorescent...

Briefs: Software
Linked-List-Based Multibody Dynamics (MBDyn) Engine

This new release of MBDyn is a software engine that calculates the dynamics states of kinematic, rigid, or flexible multibody systems. An MBDyn multibody system may consist of multiple groups of articulated chains, trees, or closed-loop topologies. Transient top ologies are handled through...

Briefs: Medical
Improving Balance Function Using Low Levels of Electrical Stimulation of the Balance Organs

Crewmembers returning from long duration space flight face significant challenges due to the microgravity induced inappropriate adaptations in balance/sensorimotor function. The Neuroscience Laboratory at JSC is developing a method based on stochastic...

Articles: Imaging

There are a number of drawbacks to traditional two-dimensional environments. In 2D, images appear flat and only offer one perspective. In 3D, images have depth and offer multiple...

Briefs: Medical
Radiation Protection Using Single-Wall Carbon Nanotube Derivatives

This invention is a means of radiation protection, or cellular oxidative stress mitigation, via a sequence of quenching radical species using nano-engineered scaffolds, specifically single-wall carbon nanotubes (SWNTs) and their derivatives. The material can be used as a means of...

Briefs: Medical
Diagnosis and Treatment of Neurological Disorders by Millimeter-Wave Stimulation

Increasingly, millimeter waves are being employed for telecomm, radar, and imaging applications. To date in the U.S, however, very few investigations on the impact of this radiation on biological systems at the cellular level have been undertaken. In the beginning,...

Articles: Electronics & Computers

The fundamental understanding of cerebral systems and associated diseases relies on the electrical recording of single neuron activity. This requires in vivo interfacing with neurons...

Articles: Lighting

Understanding how LEDs work and what materials are used for ideal operation in various spectral ranges will aid in selecting the right color and ideal wavelengths for a variety of...

Application Briefs: Sensors/Data Acquisition

Stereology, a tool that became popular in the late ‘90s, is used to quantify properties of 3D objects from 2D sections through an object (such as microscope slides of brain...

Briefs: Information Technology
Bio-Inspired Neural Model for Learning Dynamic Models

A neural-network mathematical model that, relative to prior such models, places greater emphasis on some of the temporal aspects of real neural physical processes, has been proposed as a basis for massively parallel, distributed algorithms that learn dynamic models of possibly complex...

Articles: Robotics, Automation & Control

Whether performing an intricate surgery, positioning a patient, or taking a tissue sample, today’s biomedical devices are taking advantage of advanced motion control devices to ensure...

Briefs: Information Technology

A multi-agent software/hardware architecture, inspired by the multicellular nature of living organisms, has been proposed as the basis of design of a robust, reliable, persistent...

Briefs: Medical

The term “Multi-Angle and Rear Viewing Endoscopic tooL” (MARVEL) denotes an auxiliary endoscope, now undergoing development, that a surgeon would use in...

Briefs: Medical

It has been proposed to develop special-purpose electronic noses and algorithms for processing the digitized outputs of the electronic noses for determining whether tissue exposed...

Application Briefs: Electronics & Computers

Non-invasive and ambulatory monitoring of body parameters is receiving much interest from the medical, sports and entertainment world. Possible applications are the...

Articles: Manufacturing & Prototyping

The 2007 NASA Tech Briefs (NTB) and Photonics Tech Briefs (PTB) Readers’ Choice Product of the Year Awards were presented recently by the editors of NTB and PTB at an awards...

Application Briefs: Electronics & Computers

The colonel has a problem. He has eight unmanned aerial vehicles (UAVs) flying over the outskirts of Baghdad, looking for potential insurgent activity. Are those people he sees moving...

Briefs: Medical

A method of promoting healing of injured or diseased neurons involves pharmacological activation of the STAT3 alpha protein. Usually, injured or diseased neurons heal incompletely or...

Articles: Medical

(Winner of an HP Workstation)

3D Ultrasonic Neuronavigation System for Image-Guided Brain Surgery Ajay Mahajan

Southern Illinois University...

Articles: Motion Control

Nowadays, there are many technologies available that are used to quantify the motion of humans and animals. However, recent innovations in optical motion capture systems...

Briefs: Medical

A system that would comprise mobile and stationary electronic hardware and software subsystems has been proposed for collection and automated interpretation of...

Briefs: Medical
Implantable Wireless MEMS Sensors for Medical Uses

Sensors designed and fabricated according to the principles of microelectromechanical systems (MEMS) are being developed for several medical applications in outer space and on Earth.The designs of these sensors are based on a core design family of pressure sensors, small enough to fit into the...

Briefs: Photonics/Optics

The stimulation of nerve tissue is a technique that is used in both research and clinical applications. Neuroscientists use nerve stimulation to study the fundamental principles of the nervous system...

Briefs: Medical
Neuro-Prosthetic Implants With Adjustable Electrode Arrays

Brushlike arrays of electrodes packaged with application-specific integrated circuits (ASICs) are undergoing development for use as electronic implants — especially as neuro-prosthetic devices that might be implanted in brains to detect weak electrical signals generated by neurons....

Briefs: Medical
Multichannel Brain-Signal-Amplifying and Digitizing System

EEG apparatuses with many channels in use heretofore have been too heavy and bulky to be worn, and have been limited in dynamic range to no more than 18 bits. The present apparatus is small and light enough to be worn by the subject. It is capable of amplifying EEG signals and digitizing...