J B Demb
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Explore the profile of J B Demb including associated specialties, affiliations and a list of published articles.
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13
Citations
994
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Recent Articles
1.
Wagner A, Desmond J, Demb J, Glover G, Gabrieli J
J Cogn Neurosci
. 2013 Aug;
9(6):714-26.
PMID: 23964594
Functional neuroimaging studies of single-word processing have demonstrated decreased activation in left inferior prefrontal cortex (LIPC) during repeated semantic processing relative to initial semantic processing. This item-specific memory effect occurs...
2.
Demb J, Zaghloul K, Sterling P
Neuron
. 2001 Nov;
32(4):711-21.
PMID: 11719210
We perceive motion when presented with spatiotemporal changes in contrast (second-order cue). This requires linear signals to be rectified and then summed in temporal order to compute direction. Although both...
3.
Demb J, Zaghloul K, Haarsma L, Sterling P
J Neurosci
. 2001 Sep;
21(19):7447-54.
PMID: 11567034
The receptive field of the Y-ganglion cell comprises two excitatory mechanisms: one integrates linearly over a narrow field, and the other integrates nonlinearly over a wide field. The linear mechanism...
4.
Demb J, Haarsma L, Freed M, Sterling P
J Neurosci
. 1999 Nov;
19(22):9756-67.
PMID: 10559385
A retinal ganglion cell commonly expresses two spatially overlapping receptive field mechanisms. One is the familiar "center/surround," which sums excitation and inhibition across a region somewhat broader than the ganglion...
5.
Heeger D, Boynton G, Demb J, Seidemann E, Newsome W
J Neurosci
. 1999 Aug;
19(16):7162-74.
PMID: 10436069
Perceptual studies suggest that visual motion perception is mediated by opponent mechanisms that correspond to mutually suppressive populations of neurons sensitive to motions in opposite directions. We tested for a...
6.
Boynton G, Demb J, Glover G, Heeger D
Vision Res
. 1999 May;
39(2):257-69.
PMID: 10326134
Psychophysical contrast increment thresholds were compared with neuronal responses, inferred from functional magnetic resonance imaging (fMRI) to test the hypothesis that contrast discrimination judgements are limited by neuronal signals in...
7.
Best M, Demb J
Neuroreport
. 1999 Apr;
10(3):607-12.
PMID: 10208598
Developmental dyslexia has been associated with both abnormal hemispheric symmetry of the planum temporale (PT) and a deficit in the magnocellular visual pathway. We examined the relationship between these two...
8.
Demb J, Boynton G, Best M, Heeger D
Vision Res
. 1998 Sep;
38(11):1555-9.
PMID: 9747491
The relationship between reading ability and psychophysical performance was examined to test the hypothesis that dyslexia is associated with a deficit in the magnocellular (M) pathway. Speed discrimination thresholds and...
9.
Demb J, Boynton G, Heeger D
J Neurosci
. 1998 Aug;
18(17):6939-51.
PMID: 9712663
We measured brain activity, perceptual thresholds, and reading performance in a group of dyslexic and normal readers to test the hypothesis that dyslexia is associated with an abnormality in the...
10.
Demb J, Boynton G, Heeger D
Proc Natl Acad Sci U S A
. 1997 Dec;
94(24):13363-6.
PMID: 9371851
The relationship between brain activity and reading performance was examined to test the hypothesis that dyslexia involves a deficit in a specific visual pathway known as the magnocellular (M) pathway....