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Recent News and Articles on the Keywords: neural activity + measuring neural + neural  Related to the article below (Last Update: 5/5/2008)

Hitting that sweet spot
Bangkok Post, Thailand - Apr 22, 2008
''What would happen if corporate marketers and political consultants could literally peer inside our brains and chart the neural activity that leads to our ...
Science and Recovery in Schizophrenia
Psychiatric Services (subscription) - May 1, 2008
In addition, mood stabilizers, antidepressants, and some antipsychotics have been found to promote growth in neural and glial cells (97,98,99100). ...

Healthy Wealthy n Wise
Howard Martin ?Bringing out the Best in Others?
Healthy Wealthy n Wise, WV - Apr 30, 2008
What's interesting is that when researchers map out the neural traffic in the body, they clearly see that the heart sends a lot more information through the ...
Pathophysiology of Anemia and Nursing Care Implications
RedOrbit, TX - Apr 30, 2008
Pregnant or lactating women require a higher folate level for possible prevention of neural tube defects in the fetus. Women capable of becoming pregnant ...
Source: Google News

A review of methods for spike sorting: the detection and classification of neural action potentials -
MS Lewicki - Network: Computation in Neural Systems, 1998 - informaworld.com
... Contents 1 Introduction R54 2 Measuring neural activity R55 3 The basic problems
in spike sorting R56 3.1 Threshold detection R56 ... 2. Measuring neural activity ...

The neural correlates of conscious experience: an experimental framework -
C Frith, R Perry, E Lumer - Trends in Cognitive Sciences, 1999 - Elsevier
... M. and Weiller, C. (1995) Review: does measurement of regional ... Because studies of
neuro- logical cases and other ... of the same patterns of neural activity in mon ...

[PDF] Neural activity predicts individual differences in visual working memory capacity -
EK Vogel, MG Machizawa - Nature, 2004 - ru.nl
... the ipsilateral and contralateral waveforms, with a measurement window of ... K. & Haxby,
JV Transient and sustained activity in a distributed neural system for ...
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[PDF] CORRELATED NEURONAL ACTIVITY AND THE FLOW OF NEURAL INFORMATION -
E Salinas, TJ Sejnowski - Nature Reviews Neuroscience, 2001 - papers.cnl.salk.edu
... awake states 3,4 . Direct measurement of field ... can regulate the flow of neural
information, rather ... Common patterns of correlated activity A popular analytical ...
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Neural activity in the primate prefrontal cortex during associative learning -
WF Asaad, G Rainer, EK Miller - Neuron, 1998 - neuron.org
... All rights reserved. Article. Neural Activity in the Primate Prefrontal Cortex
during Associative Learning. ... Neural Activity and Learning. ...

Neural Control of Voluntary Movement Initiation -
DP Hanes, JD Schall - Science, 1996 - sciencemag.org
... Specific measures of movement-related neural activity were required to evaluate
the predictions ... We tested this prediction by measuring the level of the neural ...

Computing with neural circuits: a model -
JJ Hopfield, DW Tank - Science, 1986 - sciencemag.org
... Let us analyze the hypothetical neural circuit shown in ... experiments based on the
tools and methods of neuro- ... circuit must be evident in the activity of these ...

The Effect of Normal Aging on the Coupling of Neural Activity to the Bold Hemodynamic Response -
MD'Esposito, E Zarahn, GK Aguirre, B Rypma - Neuroimage, 1999 - Elsevier
... if the coupling between neural activity and fMRI signal does not change with age.
The age-equivalence of this coupling can be assessed in part by measuring the ...

Task-Specific Neural Activity in the Primate Prefrontal Cortex -
WF Asaad, G Rainer, EK Miller - Journal of Neurophysiology, 2000 - Am Physiological Soc
... Miller EK, Erickson CA, and Desimone R. Neural mechanisms of ... EK, Li L, and Desimone
R. Activity of neurons ... A method of measuring eye movement using a scleral ...

Mapping Cognition to the Brain Through Neural Interactions -
A McIntosh - Neuroimaging and Memory, 1999 - books.google.com
... MEASURING NEURAL INTERACTIONS Neural interactions refers, in a ... to the understanding
of neural interactions has ... to see if the activity varies systematically ...

Source: Google Scholar

Measuring Neural Activity

A person searching for a ripe tomato at the grocery store is more likely to notice apples, strawberries and other red fruits as well, according to a new study that measured changes in blood flow in the brain. The researchers also discovered that more neurons are called into action to help the eyes find a particular object than has previously been documented.

Using functional magnetic resonance imaging (fMRI), researchers observed systematic changes in brain activity when participants focused on observing a certain object in motion, no matter where it appeared in their visual field.
"This increased activity in the brain is what helps you find objects you are looking for, even when you don't know exactly where the objects are," said UC Irvine cognitive scientist John Serences.

The study, co-authored by Serences and University of Washington associate professor Geoffrey Boynton, is published in the journal Neuron.

In their study, researchers presented participants with a computer display of objects moving in different directions. Participants were asked to pay attention to objects moving only in a particular direction (for example, the object moving to the left). Using noninvasive fMRI to indirectly measure neural activity, researchers demonstrate that patterns of brain activity change when people pay attention to objects moving in different directions.

In addition, paying attention to one direction of motion makes the brain more responsive to other objects moving in that direction, no matter where the other objects appear in their visual field -- a phenomenon that has not previously been documented.

This research may enhance scientists' understanding of problems such as Attention Deficit Hyperactivity Disorder, while also explaining how healthy people's brains create awareness of their surroundings.

"By gaining a more thorough understanding of how a healthy human brain functions, we will be better equipped in the future to recognize, diagnose and treat abnormalities within the brain," Serences says.

This study was funded by the National Eye Institute, a division of the National Institutes of Health. Founded by Congress in 1968, the NEI supports research aimed at developing treatment and preventative care options for vision disorders and eye disease.


Contact:
Heather Wuebker

Source: Christine Byrd
University of California - Irvine
 
 
 
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