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Topic: Neural pathways


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In the News (Wed 16 Dec 09)

  
  mesolimbic pathway   (Site not responding. Last check: 2007-08-19)
The '''mesolimbic pathway''' is one of the neural pathways in the brain which links the ventral tegmentum area in the midbrain to the nucleus accumbens.
It is one of the four major pathways where the neurotransmitter dopamine is found.
Because of this, this pathway is heavily implicated in neurobiological theories of addiction.
encyclopedia.mysleepcenter.com /mesolimbic_pathway.htm   (233 words)

  
 Neural Darwinism -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-08-19)
In the other it describes a process in (Click link for more info and facts about neurodevelopment) neurodevelopment where (The junction between two neurons (axon-to-dendrite) or between a neuron and a muscle) synapses which are being most used are kept while least used connections are destroyed or 'pruned' to form neural pathways.
This has been thought to be loosely analogous to (Provincial capital of the Northern Territory of Australia) Darwin's 'survival of the fittest' maxim and hence has been labelled 'neural Darwinism'.
This process allows the formation of significant and long-lasting neural pathways to be influenced by experience early in life.
www.absoluteastronomy.com /encyclopedia/n/ne/neural_darwinism.htm   (510 words)

  
 The Hebb Legacy   (Site not responding. Last check: 2007-08-19)
Missing from the model, for example, was neural inhibition (Milner, 1957), a concept Hebb later incorporated (1959, 1980a).
But Hebb believed that a class of theory was needed, of which his was merely one specific form — subject to modification or rejection in the face of new evidence, and that the primary role of our fleetingly correct theories was to stimulate scientific discovery.
By providing a neural implementation of the Associationists’ mental chemistry, Hebb fulfilled this promise and laid the foundation for neoconnectionism which seeks to explain cognitive processes in terms of connections between assemblies of real or artificial neurons.
www.cpa.ca /Psynopsis/special_eng.html   (1673 words)

  
 AllRefer.com - brain : Neural Pathways (Anatomy And Physiology) - Encyclopedia
AllRefer.com - brain : Neural Pathways (Anatomy And Physiology) - Encyclopedia
This interlacing of nerve fibers and their junctions allows a nerve impulse to follow any of a virtually unlimited number of pathways.
The effect is to give humans a seemingly infinite variety of responses to sensory input, which may depend upon experience, mood, or any of numerous other factors.
reference.allrefer.com /encyclopedia/B/brain-neural-pathways.html   (280 words)

  
 ipedia.com: Neurocognitive Article
Neurocognitive is a term used to describe cognitive functions closely linked to the function of particular areas, neural pathways, or cortical networks in the brain.
Therefore their understanding is closely linked to the practice of neuropsychology and cognitive neuroscience, two disciplines which broadly seek to understand how the structure and function of the brain relates to thought and behaviour.
The discipline that studies neurocognitive deficits to infer normal psychological function is called cognitive neuropsychology.
www.ipedia.com /neurocognitive.html   (203 words)

  
 Ex Astris Scientia - Substances and Particles A-E   (Site not responding. Last check: 2007-08-19)
O), which was a source of some concern during World War II, as Germany was known to be conducting experiments using heavy water as a nuclear reactor moderator, which might allow them to produce plutonium for an atomic bomb.
Deuterium is frequently used in chemistry and biochemistry as a tracer molecule to study reaction pathways because chemically it behaves identically to ordinary hydrogen, but it can be distinguished from ordinary hydrogen by its mass.
Also, because of its greater mass, chemical reactions involving deuterium tend to occur at a slower rate than the corresponding reactions involving ordinary hydrogen.
www.ex-astris-scientia.org /quickref/particles1.htm   (5399 words)

  
 Learning & the Brain 8
This presentation will assist educators and diagnosticians toward pinpointing specific breakdowns in the written-language process and writing disorders, and the implementation of effective remediation techniques based upon the integrity of the brain's neural pathways.
Delve into cutting-edge research on the neural basis of long-term memory, and learn practical ideas for applying cognitive research to long-term memory in the classroom.
Examine how memories are made and retrieved as well as how other factors significantly alter a student's performance in the classroom.
www.edupr.com /Brain8.htm   (3372 words)

  
 Webzine 49
There's no harm in buying your teen his own computer and dedicated Internet access, so long as you're confident that the Encyclopedia Britannica, and not an online game of Doom, will keep him glued to the screen.
And while American author Steven Johnson argues in his new book, Everything Bad is Good for You, that video games and certain popular TV shows are making the next generation smarter (because their multi-layered, unresolved soap-opera plots stimulate under-used neural pathways), this sort of virtual multi-tasking clearly has its drawbacks.
Not only, as Fuchs and Woessmann propose, can recreational uses be a distraction, crowding out time spent on homework, but our brains -- at least, once we go to work -- appear to suffer in other ways.
www.hillmans.soupbo.com /bu/zine49.html   (8804 words)

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