The Cowl - v.14 - n.9 - Dec 05, 1951

The Cowl - student newspaper of Providence College. Volume 14, Number 9 -December 05, 1951. 4 pages

Glocal Dialogue Transformation through Transcultural Communication

This paper addresses the role of dialogical communication in acculturation efforts within organizations and regions, especially during periods of transition, mergers, technological innovations, and globalization. This optimal communication mode can be achieved through a “dialogue process” proposed by David Bohm and developed by Peter Sense at MIT, Boston. The “dialogue process”, as an integral part of intercultural communication training, aims at promoting dialogue competence for intercultural communication in which man can learn how to better deal with their own stereotypes of other cultures and eventually acquire a generally de-stereotyping style of communication. It has tried out in a small city in Germany, since April 2002. About 25 citizens of the city are taking part in this dialogue process. The empirical part of this study tries to describe the socio-psychological transformation of the dialogue-group.Dialogical communication, Transcultural communication, Acculturation process, Sociopsychological transformation

Impressions

Magazine for alumni and friends of the Boston University dental school

Towards a neuroprosthetic arm

Journal ArticleEvidence indicates that user acceptance of modern artificial limbs by amputees would be significantly enhanced by a system that provides appropriate, graded, distally referred sensations of touch and joint movement, and that the functionality of limb prostheses would be improved by a more natural control mechanism. We have recently demonstrated that it is possible to implant electrodes within individual fascicles of peripheral nerve stumps in amputees, that stimulation through these electrodes can produce graded, discrete sensations of touch or movement referred to the amputee's phantom hand, and that recordings of motor neuron activity associated with attempted movements of the phantom limb through these electrodes can be used as graded control signals. We report here that this approach allows amputees to both judge and set grip force and joint position in an artificial arm, in the absence of visual input, thus providing a substrate for better integration of the artificial limb into the amputee's body image. We believe this to be the first demonstration of direct neural feedback from and direct neural control of an artificial arm in amputees

Acute peripheral nerve recording characteristics of polymer-based longitudinal intrafascicular electrodes

Journal ArticleWe examined the recording characteristics of two different types of polymer-based longitudinal intrafascicular electrodes (LIFEs) in peripheral nerve: single-stranded (s-polyLIFEs) and multistranded (m-polyLIFEs). Recordings were also made from Pt-Ir wire-based electrodes (PtIrLIFEs) as a control. The electrodes were implanted in either tibial or medial gastrocnemius branches of the rabbit sciatic nerve, and in the sciatic nerve of rats. Recorded neural activity induced by manually elicited afferent neural activity showed that both polyLIFE versions performed comparably to PtIrLIFEs

Direct neural sensory feedback and control of a prosthetic arm

Journal ArticleEvidence indicates that user acceptance of modern artificial limbs by amputees would be significantly enhanced by a system that provides appropriate, graded, distally referred sensations of touch and joint movement, and that the functionality of limb prostheses would be improved by a more natural control mechanism. We have recently demonstrated that it is possible to implant electrodes within individual fascicles of peripheral nerve stumps in amputees, that stimulation through these electrodes can produce graded, discrete sensations of touch or movement referred to the amputee's phantom hand, and that recordings of motor neuron activity associated with attempted movements of the phantom limb through these electrodes can be used as graded control signals. We report here that this approach allows amputees to both judge and set grip force and joint position in an artificial arm, in the absence of visual input, thus providing a substrate for better integration of the artificial limb into the amputee's body image. We believe this to be the first demonstration of direct neural feedback from and direct neural control of an artificial arm in amputees

SCS Fall Meeting 2023

n

Solar-wind electron precipitation on weakly magnetized bodies: the planet Mercury

Mercury is the archetype of a weakly magnetized, airless, telluric body immersed in the solar wind. Due to the lack of any substantial atmosphere, the solar wind directly precipitates on Mercury's surface. Using a 3D fully-kinetic self-consistent plasma model, we show for the first time that solar-wind electron precipitation drives (i) efficient ionization of multiple species (H, He, O and Mn) in Mercury's neutral exosphere and (ii) emission of X-rays from the planet's surface. This is the first, independent evidence of X-ray auroras on Mercury using a numerical approach.Comment: Submitted to Physical Review Letter