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Tero Toivanen

Brain Map - 1 views

www.neuroskills.com/brain.shtml

brain injury concussion rehabilitation research pharmacology support multi-media products

shared by Tero Toivanen on 13 Jul 09 - Cached
  • Tero Toivanen on 13 Jul 09
     
    A traumatic brain injury resource guide with over 1,500 pages of material on brain injury, concussion, rehabilitation, long-term assisted living, research, pharmocology, support, multi-media products, and much more.
Tero Toivanen

Brain Stimulant: Brain Chip to Restore Functioning from Damage - 1 views

brainstimulant.blogspot.com/...-restore-functioning-from.html

brain Brain Chip restore damage neuromorphic engineering neurons stroke

shared by Tero Toivanen on 10 Dec 09 - Cached
  • The ReNaChip project is developing electronic biomimetic technology that could serve to replace damaged or missing brain tissue. This is basically neuromorphic engineering that seeks to mimic how neurons function. In the future this may be useful for people who have had injuries due to stroke or other illnesses.
  • The objective of this project is to develop a full biohybrid rehabilitation and substitution methodology; replacing the aged cerebellar brain circuit with a biomimetic chip bidirectionally interfaced to the inputs and outputs of the system. Information processing will interface with the cerebellum to actuate a normal, real-time functional behavioural recovery, providing a proof-of-concept test for the functional rehabilitation of more complex neuronal systems.
  • A sophisticated exocortex could potentially allow a two way communication between the external apparatus and the mind. The contraption could essentially scale up the amount of neurons in your brain by an artificial means. Most likely it would be used to improved the disabled first, with other applications being more speculative possibilities.
  • Tero Toivanen on 10 Dec 09
     
    The ReNaChip project is developing electronic biomimetic technology that could serve to replace damaged or missing brain tissue. This is basically neuromorphic engineering that seeks to mimic how neurons function. In the future this may be useful for people who have had injuries due to stroke or other illnesses.
Tero Toivanen

Selective aphasia in a brain damaged bilingual patient : Neurophilosophy - 0 views

scienceblogs.com/...damageed_bilungual_patient.php

brain bilingual Arabic Hebrew CT scan frontal lobe parietal lobe crationomy hemorrhage

shared by Tero Toivanen on 11 Jul 09 - Cached
  • A unique case study published in the open access journal Behavioral and Brain Functions sheds some light on this matter. The study, by Raphiq Ibrahim, a neurologist at the University of Haifa, describes a bilingual Arabic-Hebrew speaker who incurred brain damage following a viral infection. Consequently, the patient experienced severe deficits in Hebrew but not in Arabic. The findings support the view that specific components of a first and second language are represented by different substrates in the brain.
  • A native Arabic speaker, he learned Hebrew at an early age (4th grade) and later used it competently both professionally and academically.
  • A CT scan showed that he had suffered a massive hemorrhage in the left temporal lobe, which was compressing the tissue on both sides of the central sulcus, the prominent gfissure which separates the frontal and parietal lobes.
  • ...4 more annotations...
  • A craniotomy was performed to relieve the pressure, and afterwards another scan showed moderate hemorrhage and herpes encephalitis in the left temporal lobe, and another hemorrhage beneath the outer membrane (the dura) lying over the right frontal lobe.
  • During his 2 month stay there, he developed epileptic seizures which originated in the left temporal lobe, and amnestic aphasia (an inability to name objects or to recognize their written or spoken names). 
  • After the rehabilitation period, a series of linguistic tests was administered to determine the extent of his speech deficits. M.H. exhibited deficits in both languages, but the most severe deficits were seen only in Hebrew. In this language he had a severe difficulty in recalling words and names, so that his speech was non-fluent and interrupted by frequent pauses. He had difficulty understanding others' spoken Hebrew, and also had great difficulty reading and writing Hebrew. In Arabic, his native language, all of these abilities were affected only mildy.
  • The results support a neurolinguistic model in which the brain of bilinguals contains a semantic system (which represents word meanings) which is common to both languages and which is connected to independent lexical systems (which encode the vocabulary of each language). The findings further suggest that the second language (in this case, Hebrew) is represented by an independent subsystem which does not represent the first language (Arabic) and is more succeptible to brain damage.
  • Tero Toivanen on 11 Jul 09
     
    A unique case study published in the open access journal Behavioral and Brain Functions sheds some light on this matter. The study, by Raphiq Ibrahim, a neurologist at the University of Haifa, describes a bilingual Arabic-Hebrew speaker who incurred brain damage following a viral infection. Consequently, the patient experienced severe deficits in Hebrew but not in Arabic. The findings support the view that specific components of a first and second language are represented by different substrates in the brain.
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