All posts by Philip M. Lee

SmartHand: A Sense of Assistive Devices

Author: Philip M. LEE

Abstract

Amputees have often faced social stigma attributable to their visible limb loss or use of artificial substitutions. In recent years, the use of prosthetics has become much more advanced, particularly in the field of sensory prostheses. One such assistive device, a new prototype technology known as the SmartHand, has recently been featured on several news networks. It is through this discussion that the SmartHand will be reviewed and compared with existing platforms that include myoelectric prostheses and targeted muscle reinnervation. Use of the SmartHand has been noted as having increased levels of competence in and improved the quality of life of its users. These conclusions also bring to light the scientific barriers that are faced, primarily with respect to tissue rejection. The cost benefit analysis of such a device may also produce conflicting data, thereby making it difficult to implement this device on a larger scale. Despite these problems, the SmartHand represents one of the most scientifically advanced assistive devices available in today’s market, whose usefulness for amputees is undeniable.

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SmartHand: A Sense of Assistive Devices

Auteur : Philip M. LEE
Article en anglais.

Résumé

Les amputés doivent souvent affronter une stigmatisation sociale parce qu’il est évident aux yeux de tous qu’ils ont perdu un membre ou qu’ils utilisent une prothèse. Cependant, l’utilisation de prothèses a fait beaucoup de progrès au cours des dernières années, surtout en ce qui concerne les prothèses sensorielles. Plusieurs réseaux d’information ont récemment fait des reportages à propos d’un appareil de ce type, un nouveau prototype appelé la SmartHand. Dans la discussion, l’auteure analyse la SmartHand et la compare avec les plateformes existantes, et notamment avec les prothèses myo-électriques et avec la ré innervation musculaire ciblée. L’auteure conclut que la SmartHand offrait un niveau plus élevé de compétences à ses utilisateurs et améliorait leur qualité de vie. Toutefois ses conclusions soulignent aussi les obstacles scientifiques qui se posent, surtout au niveau du rejet tissulaire. L’analyse coût-avantage d’un tel appareil risque aussi de produire des données contradictoires, ce qui pourra nuire à sa mise en œuvre à une plus large échelle. Malgré ces problèmes, la SmartHand est un des appareils fonctionnels disponibles aujourd’hui les plus avancés sur le plan scientifique, et son utilité pour les amputés est indéniable.

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A Review of Xq28 and the Effect on Homosexuality

Author: Philip M. LEE

Abstract

The cause of homosexuality remains a hotly contested debate to this day. Although the role of genetics has diminished over the past decade because of the popularity of environmental influences, it continues to be a relevant correlative possibility. Since its inception in the early 1990’s from a study conducted by Dr. Dean Hamer, the genetic locus Xq28 has become amongst one of the most important genetic factors of sexual orientation. Subsequent studies attempting replication have improved on the original experiment although the initial measures and methods of experimentation may have biased the results of the findings. Consequently, contention between advocates for and against Xq28 continues over 15 years later with mounting evidence weakening the link of Xq28 and homosexuality. Even though the majority of genetic discussion revolves around Hamer’s original findings, more recent genetic markers have also now been found which may show positive connections and provide the basis for further research.

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A Review of Xq28 and the Effect on Homosexuality

Auteur : Philip M. LEE
Article en anglais seulement.

Abstract

The cause of homosexuality remains a hotly contested debate to this day. Although the role of genetics has diminished over the past decade because of the popularity of environmental influences, it continues to be a relevant correlative possibility. Since its inception in the early 1990’s from a study conducted by Dr. Dean Hamer, the genetic locus Xq28 has become amongst one of the most important genetic factors of sexual orientation. Subsequent studies attempting replication have improved on the original experiment although the initial measures and methods of experimentation may have biased the results of the findings. Consequently, contention between advocates for and against Xq28 continues over 15 years later with mounting evidence weakening the link of Xq28 and homosexuality. Even though the majority of genetic discussion revolves around Hamer’s original findings, more recent genetic markers have also now been found which may show positive connections and provide the basis for further research.

Continue reading A Review of Xq28 and the Effect on Homosexuality