Peripheral Nervous System
The PNS or Peripheral Nervous System is the network of nerves running from the bottom of the brainstem, and distributed across the body. It is comprised both of control pathways and sensory feedback. No actual processing takes place in the PNS, so it is the easiest nervous system to directly interface into.
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Unlike in the peripheral nervous system, where cells are often unable to distinguish which branching pathway an electrical system is travelling from, the central nervous system makes use of sophisticated internal networks not too dissimilar from an IP record, to differentiate between nervous pathways.
Its early 2009, and the University of Southampton, in the UK, is developing electrical stimulation technology, designed to help stroke patients relearn movement, by duplicating the natural, original nerve impulses. The technology is a direct offshoot of work to decode the electrical signals of the peripheral nervous system.
When it comes to advanced prosthetic limbs - or for that matter virtual limbs relying on the same basic principles, getting the control circuitry to function properly is crucial. One of the most important aspects of said control circuitry, is the neural coding that binds the limb to the nerve impulses of the surviving ends of the peripheral nervous system.
Gila cells are more or less an unknown quantity in the nervous system. In humans and other mammals, in insects, in brds; in practically all lifeforms with a brain, gila cells exist, in the central nervous system and the periphery, binding the neurons together.
This article is intended to serve as a general introduction to the nerve layout in the human arm and hand. It is not concerned with bone or muscle layout, but simply with the areas affected by each nerve pathway, and data type. It exists as an aid to those desiring to create a replacement arm, either prosthetic or virtual, and understand purely which area of the limb feeds sensory information to which part of the nervous system.
The diagrammatic representation for easy understanding, of how dendrites and axons in the nervous system might be attached to a a remote body via the Internet.
The temperature problem is a major issue for actual prosthetics. Not being at all aware when your arm is on fire, is a very bad - and potentially expensive - possibility for any user of a modern prosthetic, even one tied into the nervous system.
One of the severe problems with haptic input devices (other than the very, very basic type that jack directly into the nervous system) is that the mechanics of hand-held systems only bend or push so far, then they hit engineered limits and the feeling dissipates.
Haptics is the study of the sense of touch. There are many parts to touch, and five different types of touch nerve in the nervous system. Here, we look at what goes into detecting texture, how the nerves work, and some initial attempts to interface with them for VR.
A larynx or voicebox is a complex piece of kit to control. Creating an interface for a fully functional artificial one may be beyond us - unless we jack it straight into the brain, and let the nervous system control the new, just the same as the old.
Industry News containing the Term Peripheral Nervous System:
Neural Interface for Hand Prosthesis Can Restore Function in Brain Areas Responsible for Motor Control
Amputation disrupts not only the peripheral nervous system but also central structures of the brain. While the brain is able to adapt and compensate for injury in certain conditions, in amputees the traumatic event prevents adaptive cortica...
A protein required to regrow injured peripheral nerves has been identified by researchers at Washington University School of Medicine in St. Louis.
The finding, in mice, has implications for improving recovery after nerve inj...
Researchers at Washington University School of Medicine in St. Louis have identified a chain reaction that triggers the regrowth of some damaged nerve cell branches, a discovery that one day may help improve treatments for nerve injuries th...
In an interesting twist to immersion, Acme, a laptop manufacturer is launching a laptop that bares an uncanny resemblance to a C3 immersive display system. It has three screens, one for straight-ahead, one for the left peripheral vision, an...
A delay in traffic may cause a headache, but a delay in the nervous system can cause much more. University of Missouri researchers have uncovered clues identifying which proteins are involved in the development of the nervous system and fou...