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Volume 40 Issue 04

Psychological Medicine - March 31, 2010 - 23:00
Psychological Medicine, Volume 40 Issue 04


Now in its fourth decade of publication, Psychological Medicine is a leading international journal in the fields of psychiatry, related aspects of psychology and basic sciences. There are twelve issues a year, each featuring original articles reporting key research being undertaken worldwide, together with shorter editorials by distinguished scholars and an important book review section. The journal's success is clearly demonstrated by a consistently high impact factor.
Categories: Psychiatry Journals

Myelination and the trophic support of long axons.

Nature Reviews: Neuroscience - 7 hours 21 min ago
Publication Date: 2010 Mar 10 PMID: 20216548
Authors: Nave, K. A.
Journal: Nat Rev Neurosci

In addition to their role in providing myelin for rapid impulse propagation, the glia that ensheath long axons are required for the maintenance of normal axon transport and long-term survival. This presumably ancestral function seems to be independent of myelin membrane wrapping. Here, I propose that ensheathing glia provide trophic support to axons that are metabolically isolated, and that myelin itself might cause such isolation. This glial support of axonal integrity may be relevant for a number of neurological and psychiatric diseases.

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The functional role of the parieto-frontal mirror circuit: interpretations and misinterpretations.

Nature Reviews: Neuroscience - 7 hours 21 min ago
Publication Date: 2010 Mar 10 PMID: 20216547
Authors: Rizzolatti, G. - Sinigaglia, C.
Journal: Nat Rev Neurosci

The parieto-frontal cortical circuit that is active during action observation is the circuit with mirror properties that has been most extensively studied. Yet, there remains controversy on its role in social cognition and its contribution to understanding the actions and intentions of other individuals. Recent studies in monkeys and humans have shed light on what the parieto-frontal cortical circuit encodes and its possible functional relevance for cognition. We conclude that, although there are several mechanisms through which one can understand the behaviour of other individuals, the parieto-frontal mechanism is the only one that allows an individual to understand the action of others 'from the inside' and gives the observer a first-person grasp of the motor goals and intentions of other individuals.

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