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Topic: Frontal cortex


  
  EMF-Portal - Effects of low-level microwave irradiation on hippocampal and frontal cortical choline uptake are ...
In a previous study (publication 673), it was found that sodium dependent high-affinity choline uptake in the hippocampus and frontal cortex of rats was lowered after acute exposure to low-level 2450 MHz pulsed microwaves.
Conditioned effects were also found: an increase in choline uptake in the hippocampus and a decrease in uptake in the frontal cortex.
The results suggest that the effects of microwaves on choline uptake in the hippocampus and frontal cortex are classically conditionable, probably to cues in the exposure environment.
www.emf-portal.de /viewer.php?aid=597&l=e   (393 words)

  
 Tianeptine ( Stablon, Coaxil ) raises dopamine and blocks stress-induced noradrenaline release in the frontal cortex   (Site not responding. Last check: 2007-10-14)
he effects of various doses of tianeptine on extracellular concentrations of dopamine were studied in the frontal cortex and nucleus accumbens of the rat.
In another experiment, 10 and 20 mg/kg tianeptine did not modify the extracellular concentrations of noradrenaline in the frontal cortex but dose dependently blocked the increase in extracellular noradrenaline caused by restraint stress.
Tianeptine and raised extracellular dopamine in the NACC
www.tianeptine.com /dopamine-noradrenaline.html   (161 words)

  
 Summary of topic Frontal Cortex
In this study, 25 schizophrenic and 25 OCD patients were evaluated with the Wisconsin Card Sorting Test and the Object Alternation Test, tests that are sensitive to DLPC and OFC damage, respectively.
The results point to a DLPC deficit in schizophrenia and an OFC lability in OCD and confirm that functional disorders of the central nervous system can be investigated using neuropsychological methods.
Abstract: The fundamental problem with attempting to understand frontal cortical function using the computer-inspired, functionalist models of contemporary cognitive science is that such models are by definition "disembodied." As a result, the brain as well as the mind tends to become disembodied, even "ghostly," in the traditional, dualistic, Cartesian fashion, (Ryle [1949/1984] notwithstanding).
www.cogsci.ecs.soton.ac.uk /cgi/psyc/ptopic?topic=Frontal-cortex   (459 words)

  
 Tomáš Paus M
Rushworth MFS, Paus T, Sipila P. The role of the human medial frontal cortex in task switching: a combined fMRI and TMS study.
MacDonald PA, Paus T. The role of parietal cortex in awareness of self-generated movements: a transcranial magnetic stimulation study.
Paus, T. The development of sustained attention in children might be related to the maturation of frontal cortical functions.
www.mni.mcgill.ca /cog/paus/pubs.htm   (1532 words)

  
 M. Johnson
The focus of my research is Developmental Cognitive Neuroscience, specifically the interaction between the development of cortex and visual cognition in human infants.
Csibra, G., Tucker, L.A., and Johnson, M.H. (2001) Differential frontal cortex activation before anticipatory and reactive saccades in infancy.
Johnson, M.H. (1996) From cortex to cognition: Cognitive neuroscience studies of infant attention and perception.
www.psyc.bbk.ac.uk /people/academic/johnson_m   (1308 words)

  
 Patterns of Frontal Lobe Atrophy in Frontotemporal Dementia: A Volumetric MRI Study
Based on the behavioural changes observed in FTD, it is commonly assumed that the orbitofrontal cortex is the earliest and most severely affected frontal sub-region.
The regions studied were: the orbitofrontal and insula regions (representing the orbitobasal cortex); the inferior and middle frontal regions (representing the dorsolateral prefrontal areas); and the superior frontal and anterior cingulate regions (representing the medial prefrontal areas).
Fuster JM: The Prefrontal Cortex, Anatomy, Physiology, and Neuropsychology of the Frontal Lobe.
content.karger.com /produktedb/produkte.asp?typ=fulltext&file=DEM2006022004278   (1284 words)

  
 AddictionsGray
For our purposes, one of the more important aspects of hemispheric lateralization points to the idea that positive (or approach-valenced) experiences are processed in the left frontal lobes and negative (or withdrawal-valenced) experiences are processed in the right frontal lobes.
Because the mechanisms of the frontal lobes for wanting and avoiding are separate, it is most important to build intense, positive states and motivators in order to propel the change.
Goldstein, Rita Z. and Volkow, Nora D. Drug addiction and its underlying neurobiological basis: Neuroimaging evidence for the involvement of the frontal cortex.
www.nlpcomprehensive.com /articles/AddictionsGray.html   (5477 words)

  
 The Frontal Cortex
As William James wrote in Pragmatism: "A sensation is rather like a client who has given his case to a lawyer and then has passively to listen in the courtroom to whatever account of his affairs the lawyer finds it most expedient to give." The inner lawyer in our brain is our imagination.
This is a basic truism of brain anatomy: there are many more connections from the amygdala (the source of fear) to the frontal cortex (the approximate seat of "reason") than from the frontal cortex to the amygdala.
We remain surprisingly plastic throughout life, and our frontal cortex continues to develop until after the teenage years are over.
scienceblogs.com /cortex   (12877 words)

  
 PA-06-445: The Development of Frontal Cortex and Limbic System and their roles in Drug Abuse or Mental Health (R21)
The proper development of these forebrain and midbrain regions is essential for formation of the neuronal pathways that mediate a number of important functions, including hedonic properties of food and sex, as well as the rewarding properties of drugs of abuse.
o The cellular and molecular mechanisms of stem cell and progenitor cell induction, proliferation, and phenotypic restriction in the midbrain, nucleus accumbens, striatum, prefrontal cortex and limbic regions of the cortex in the embryonic and adolescent brain.
The periods of career award and LRP award may overlap providing the LRP recipient with the required commitment of time and effort, as LRP awardees must commit at least 50% of their time (at least 20 hours per week based on a 40 hour week) for two years to the research.
grants.nih.gov /grants/guide/pa-files/PA-06-445.html   (7837 words)

  
 Topic: Frontal Cortex   (Site not responding. Last check: 2007-10-14)
Abbruzzese, Massimo and Ferri, Stefano and Bellodi, Laura and Scarone, Silvio (1993) Frontal Lobe Dysfunction in Mental Illness, Psycoloquy: 4,#9 Frontal Cortex (1)
Neafsey, E.J. Frontal Cortex, the Mind, and the Body, Psycoloquy: 4,#15 Frontal Cortex (2)
Henderson, L. and Dittrich, W. Decomposing the Corpus of Neuropsychological Tests, Psycoloquy: 4,#32 Frontal Cortex (3)
psycprints.ecs.soton.ac.uk /view/topics/frontal-cortex.html   (90 words)

  
 TopSearch10 - Search Results - dopamine and anterior frontal cortex   (Site not responding. Last check: 2007-10-14)
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dopamine-and-anterior-frontal-cortex.tbl.sytes.net   (105 words)

  
 AHP Perspective
Empirical research found that cognitive-behavioral therapy alters one’s psychological and neurological status.
Goldapple and her colleagues (2004) report that depressed patients treated with cognitive therapy indicated significant clinical improvement along with some metabolic changes in their brain: “Increases in hippocampus and dorsal cingulate and decreases in dorsal, ventral, and medial frontal cortex.” The researchers concluded that the metabolic changes may reflect the effectiveness of cognitivebehavioral therapy treatment.
Nishith and his colleagues studied rape victims with posttraumatic stress disorder to examine whether or not cognitive therapy altered their rapid eye movement (REM) sleep disturbances by measuring their heart rate variability (HRV).
www.ahpweb.org /pub/perspective/feb_2006/feb06cover.html   (4929 words)

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