Experts and Doctors on photic stimulation in Houston, Texas, United States


Locale: Houston, Texas, United States
Topic: photic stimulation

Top Publications

  1. Li S, Park W, Borg A. Phase-dependent respiratory-motor interactions in reaction time tasks during rhythmic voluntary breathing. Motor Control. 2012;16:493-505 pubmed
    ..The absence of changes in RT during voluntary inspiration is likely to be compensated by respiratory-motor facilitation mechanisms in this phase. Shortened RT during breath holding is possibly associated with increased attention. ..
  2. Ma W, Navalpakkam V, Beck J, Berg R, Pouget A. Behavior and neural basis of near-optimal visual search. Nat Neurosci. 2011;14:783-90 pubmed publisher
    ..We present a neural-network implementation of near-optimal visual search based on probabilistic population coding. The network matched human performance. ..
  3. Cowan C, Abd El Barr M, van der Heijden M, Lo E, Paul D, Bramblett D, et al. Connexin 36 and rod bipolar cell independent rod pathways drive retinal ganglion cells and optokinetic reflexes. Vision Res. 2016;119:99-109 pubmed publisher
    ..Further, the findings suggest the parallel nature of rod pathways provides considerable redundancy to scotopic light sensitivity but distinct contributions to mesopic responses through complicated interactions with cone pathways. ..
  4. Vujanovic A, Wardle M, Liu S, Dias N, Lane S. Attentional bias in adults with cannabis use disorders. J Addict Dis. 2016;35:144-53 pubmed publisher
    ..This study informs understanding of the influence of cannabis cues on visual detection and reaction time under different cue-target onset times, as attentional bias was most prevalent under time pressure to detect the probe. ..
  5. Amador S, Hood A, Schiess M, Izor R, Sereno A. Dissociating cognitive deficits involved in voluntary eye movement dysfunctions in Parkinson's disease patients. Neuropsychologia. 2006;44:1475-82 pubmed
    ..These findings were correlated with each other and disease severity, suggesting that eye movement measurement may be a useful tool for studying higher cognitive function. ..
  6. Wu S, Gao F, Pang J. Synaptic circuitry mediating light-evoked signals in dark-adapted mouse retina. Vision Res. 2004;44:3277-88 pubmed
  7. Chen S, Ko G, Dryer S. Somatostatin peptides produce multiple effects on gating properties of native cone photoreceptor cGMP-gated channels that depend on circadian phase and previous illumination. J Neurosci. 2007;27:12168-75 pubmed
    ..These data also show that photoreceptor responses to at least some peptide neurotransmitters depend on the previous history of light exposure. ..
  8. Ramamirtham R, Kee C, Hung L, Qiao Grider Y, Huang J, Roorda A, et al. Wave aberrations in rhesus monkeys with vision-induced ametropias. Vision Res. 2007;47:2751-66 pubmed
    ..The results from our study suggest that the higher amounts of wave aberrations observed in ametropic humans are likely to be a consequence, rather than a cause, of abnormal refractive development. ..
  9. Harvey D, Wei T, Ellmore T, Hamilton A, Schnur T. Neuropsychological evidence for the functional role of the uncinate fasciculus in semantic control. Neuropsychologia. 2013;51:789-801 pubmed publisher
    ..These findings also support a relationship between structural and functional connectivity measures, as the rs-fMRI results provide converging evidence with those obtained using DTI. ..

More Information


  1. Keshvari S, van den Berg R, Ma W. Probabilistic computation in human perception under variability in encoding precision. PLoS ONE. 2012;7:e40216 pubmed publisher
    ..Our results offer a new conceptualization of the encoding of sensory information and highlight the brain's remarkable ability to incorporate knowledge of uncertainty during complex perceptual decision-making. ..
  2. Zhou W, Chen D. Encoding human sexual chemosensory cues in the orbitofrontal and fusiform cortices. J Neurosci. 2008;28:14416-21 pubmed publisher
    ..Our findings provide neural evidence that socioemotional meanings, including the sexual ones, are conveyed in the human sweat. ..
  3. Bedell H, Ramamurthy M, Patel S, Subramaniam S, Vu Yu L, Tong J. The temporal impulse response function in infantile nystagmus. Vision Res. 2008;48:1575-83 pubmed publisher
    ..This increase in response speed is too small to account by itself for the virtual absence of perceived motion smear in subjects with IN, and additional neural mechanisms are considered. ..
  4. Pang J, Gao F, Wu S. Stratum-by-stratum projection of light response attributes by retinal bipolar cells of Ambystoma. J Physiol. 2004;558:249-62 pubmed
  5. Eikema D, Chien J, Stergiou N, Myers S, Scott Pandorf M, Bloomberg J, et al. Optic flow improves adaptability of spatiotemporal characteristics during split-belt locomotor adaptation with tactile stimulation. Exp Brain Res. 2016;234:511-22 pubmed publisher
    ..The results suggest that when visual stimulation is provided during adaptive training, the system acquires the novel movement dynamics while maintaining the ability to flexibly adapt to different environments. ..
  6. Suzuki S, Zhou H, Neumaier J, Pham T. Opposing functions of CREB and MKK1 synergistically regulate the geometry of dendritic spines in visual cortex. J Comp Neurol. 2007;503:605-17 pubmed
    ..Our data suggest that CREB and MKK1 might function as complementary negative feedback mechanisms to maintain synaptic drive within bounds. ..
  7. Chen X, DeAngelis G, Angelaki D. Diverse spatial reference frames of vestibular signals in parietal cortex. Neuron. 2013;80:1310-21 pubmed publisher
    ..Our findings reveal distinct spatial reference frames for representing vestibular signals and pose new challenges for understanding the respective roles of these areas in potentially diverse vestibular functions. ..
  8. Wang Y, Iliescu B, Ma J, Josic K, Dragoi V. Adaptive changes in neuronal synchronization in macaque V4. J Neurosci. 2011;31:13204-13 pubmed publisher
    ..Thus, adaptive synchronization between the spiking activity of individual neurons and their local population can enhance temporally insensitive, rate-based-coding schemes for sensory discrimination. ..
  9. Rangaswamy N, Frishman L, Dorotheo E, Schiffman J, Bahrani H, Tang R. Photopic ERGs in patients with optic neuropathies: comparison with primate ERGs after pharmacologic blockade of inner retina. Invest Ophthalmol Vis Sci. 2004;45:3827-37 pubmed
    ..There also are small spike-driven contributions to the a-wave elicited by full-field red stimuli. The i-wave, which becomes more prominent when the PhNR is reduced, has origins in the off-pathway distal to the ganglion cells. ..
  10. Lee S, Papanikolaou A, Logothetis N, Smirnakis S, Keliris G. A new method for estimating population receptive field topography in visual cortex. Neuroimage. 2013;81:144-157 pubmed publisher
    ..Instead, this method uses the pRF topography to constrain the space that needs to be searched for the subsequent modeling. ..
  11. Wang J, Jacoby R, Wu S. Physiological and morphological characterization of ganglion cells in the salamander retina. Vision Res. 2016;119:60-72 pubmed publisher
    ..25% of neurons in the RGC layer were displaced amacrine cells. Although more types may be defined by more refined classification criteria, this report is to incorporate more physiological properties into RGC classification. ..
  12. Lee J, Joshua M, Medina J, Lisberger S. Signal, Noise, and Variation in Neural and Sensory-Motor Latency. Neuron. 2016;90:165-76 pubmed publisher
  13. Sheth B, Liu J, Olagbaju O, Varghese L, Mansour R, Reddoch S, et al. Detecting social and non-social changes in natural scenes: performance of children with and without autism spectrum disorders and typical adults. J Autism Dev Disord. 2011;41:434-46 pubmed publisher
    ..Results suggest children and adolescents with ASD use relevant social cues while searching a scene just as typical children do. ..
  14. He L, Donnelly W, Stevenson S, Glasser A. Saccadic lens instability increases with accommodative stimulus in presbyopes. J Vis. 2010;10:14.1-16 pubmed publisher
    ..Variation across subjects may reflect differences in accommodative effort, ciliary muscle function for a given effort, and/or in intraocular anatomy. ..
  15. Zhang J, Li W, Hoshi H, Mills S, Massey S. Stratification of ? ganglion cells and ON/OFF directionally selective ganglion cells in the rabbit retina. Vis Neurosci. 2005;22:535-49 pubmed
    ..We conclude that the precise level of stratification is correlated with the strength of cholinergic input. Alpha ganglion cells receive a weak cholinergic input and they are narrowly stratified just below the cholinergic bands. ..
  16. Kim J, Ress D. Arterial impulse model for the BOLD response to brief neural activation. Neuroimage. 2016;124:394-408 pubmed publisher
    ..The model provides a powerful mathematical framework to understand the dynamics of neurovascular and neurometabolic responses that form the BOLD HRF. ..
  17. Deweese M, Robinson J, Cinciripini P, Versace F. Conditioned cortical reactivity to cues predicting cigarette-related or pleasant images. Int J Psychophysiol. 2016;101:59-68 pubmed publisher
    ..Our results show that stimuli with no intrinsic reward value (e.g., geometric patterns) may acquire rewarding properties through repeated pairings with established reward cues (i.e., cigarette-related, intrinsically pleasant). ..
  18. Krishnan B, Levine J, Lynch M, Dowse H, Funes P, Hall J, et al. A new role for cryptochrome in a Drosophila circadian oscillator. Nature. 2001;411:313-7 pubmed
    ..These results demonstrate a photoreceptor-independent role for CRY in the periphery and imply fundamental differences between central and peripheral oscillator mechanisms in Drosophila. ..
  19. Mills S, Xia X, Hoshi H, Firth S, Rice M, Frishman L, et al. Dopaminergic modulation of tracer coupling in a ganglion-amacrine cell network. Vis Neurosci. 2007;24:593-608 pubmed
    ..The results suggest that coupling between members of the OFF alpha ganglion cell/amacrine cell network is differentially modulated with changing levels of dopamine. ..
  20. Mojumder D, Frishman L, Otteson D, Sherry D. Voltage-gated sodium channel alpha-subunits Na(v)1.1, Na(v)1.2, and Na(v)1.6 in the distal mammalian retina. Mol Vis. 2007;13:2163-82 pubmed
    ..This finding is consistent with TTX effects on the b-wave being due to blockade of Na(v) channels in cone bipolar cell dendrites in the OPL. The role of Na(v) channels in horizontal cells remains to be determined. ..
  21. Chung S, Li R, Levi D. Identification of contrast-defined letters benefits from perceptual learning in adults with amblyopia. Vision Res. 2006;46:3853-61 pubmed
  22. Bachevalier J, Nemanic S. Memory for spatial location and object-place associations are differently processed by the hippocampal formation, parahippocampal areas TH/TF and perirhinal cortex. Hippocampus. 2008;18:64-80 pubmed
    ..The data showed that the hippocampal formation, areas TH/TF, and perirhinal cortex appear to contribute interactively to object and spatial memory processes. ..
  23. Wright A, Elmore L. Pigeon visual short-term memory directly compared to primates. Behav Processes. 2016;123:84-9 pubmed publisher
    ..By closely matching pigeon testing parameters to those of monkeys and humans, these similar functional relationships suggest similar underlying processes of visual short-term memory in pigeons, monkeys and humans. ..
  24. Pang J, Gao F, Wu S. Light responses and morphology of bNOS-immunoreactive neurons in the mouse retina. J Comp Neurol. 2010;518:2456-74 pubmed publisher
    ..Frequent (1-2 Hz) or abrupt change of light intensity evoked larger peak responses. The possibility for light to modify NO release from NOACs is discussed. ..
  25. Bramblett D, Pennesi M, Wu S, Tsai M. The transcription factor Bhlhb4 is required for rod bipolar cell maturation. Neuron. 2004;43:779-93 pubmed
    ..Other retinal cell populations including photoreceptors were unaltered. The timing of RB cell depletion in the Bhlhb4(-/-) mouse suggests that Bhlhb4 is essential for RB cell maturation. ..
  26. Scheibel R, Newsome M, Troyanskaya M, Lin X, Steinberg J, Radaideh M, et al. Altered brain activation in military personnel with one or more traumatic brain injuries following blast. J Int Neuropsychol Soc. 2012;18:89-100 pubmed publisher
    ..Limitations of this study include no matching for combat exposure and different recruitment strategies so that the control group was largely a community-based sample, while many TBI subjects were seeking services. ..
  27. van den Berg R, Shin H, Chou W, George R, Ma W. Variability in encoding precision accounts for visual short-term memory limitations. Proc Natl Acad Sci U S A. 2012;109:8780-5 pubmed publisher
    ..Our results suggest that VSTM resource is continuous and variable rather than discrete and fixed and might explain why subjective experience of VSTM is not all or none. ..
  28. Froudarakis E, Berens P, Ecker A, Cotton R, Sinz F, Yatsenko D, et al. Population code in mouse V1 facilitates readout of natural scenes through increased sparseness. Nat Neurosci. 2014;17:851-7 pubmed publisher
    ..Our results argue for a functional benefit of sparsification that could be a general principle governing the structure of the population activity throughout cortical microcircuits. ..
  29. Chandrasekaran A, Furuta Y, Crair M. Consequences of axon guidance defects on the development of retinotopic receptive fields in the mouse colliculus. J Physiol. 2009;587:953-63 pubmed publisher
  30. Van den Bergh G, Zhang B, Arckens L, Chino Y. Receptive-field properties of V1 and V2 neurons in mice and macaque monkeys. J Comp Neurol. 2010;518:2051-70 pubmed publisher
  31. Kim H, Angelaki D, DeAngelis G. Gain Modulation as a Mechanism for Coding Depth from Motion Parallax in Macaque Area MT. J Neurosci. 2017;37:8180-8197 pubmed publisher
    ..We also show, through simulations, that depth could be estimated from a population of such gain-modulated neurons. ..
  32. Ngo C, Brown A, Sargent J, Dopkins S. Effects of conceptual processing on familiarity-based recognition. Can J Exp Psychol. 2010;64:67-76 pubmed publisher
    ..It is suggested that the results may be problematic for the view that conceptual priming underlies the conceptual processing advantage. ..
  33. Mojumder D, Sherry D, Frishman L. Contribution of voltage-gated sodium channels to the b-wave of the mammalian flash electroretinogram. J Physiol. 2008;586:2551-80 pubmed publisher
    ..These findings indicate that activation of Na(v) channels in ON cone bipolar cells affects the b-wave of the rat ERG and must be considered when analysing results of ERG studies of retinal function...
  34. Tomson S, Avidan N, Lee K, Sarma A, Tushe R, Milewicz D, et al. The genetics of colored sequence synesthesia: suggestive evidence of linkage to 16q and genetic heterogeneity for the condition. Behav Brain Res. 2011;223:48-52 pubmed publisher
    ..Our results implicate a 23 MB region at 16q12.2-23.1, providing the first step in understanding the molecular basis of CSS...
  35. Eagleman D. Human time perception and its illusions. Curr Opin Neurobiol. 2008;18:131-6 pubmed publisher
    ..The confederacy of recently discovered illusions points to the underlying neural mechanisms of time perception...
  36. Bedell H, Tong J, Woo S, House J, Nguyen T. Orientation discrimination with macular changes associated with early AMD. Optom Vis Sci. 2009;86:485-91 pubmed publisher
    ..In contrast to Amsler grid and central-visual-field testing, psychophysical orientation discrimination has the capability to distinguish between eyes with and without subtle age-related macular changes. ..
  37. Nath A, Beauchamp M. Dynamic changes in superior temporal sulcus connectivity during perception of noisy audiovisual speech. J Neurosci. 2011;31:1704-14 pubmed publisher
    ..Changes in STS functional connectivity may be an important neural mechanism underlying the perception of noisy speech. ..
  38. Bi H, Zhang B, Tao X, Harwerth R, Smith E, Chino Y. Neuronal responses in visual area V2 (V2) of macaque monkeys with strabismic amblyopia. Cereb Cortex. 2011;21:2033-45 pubmed publisher
  39. Ohshiro T, Angelaki D, DeAngelis G. A Neural Signature of Divisive Normalization at the Level of Multisensory Integration in Primate Cortex. Neuron. 2017;95:399-411.e8 pubmed publisher
    ..The normalization model also fits population responses better than a model based on subtractive inhibition. These findings provide strong support for a divisive normalization mechanism in multisensory integration. ..
  40. Yoganarasimha D, Rao G, Knierim J. Lateral entorhinal neurons are not spatially selective in cue-rich environments. Hippocampus. 2011;21:1363-74 pubmed publisher
    ..These data strongly support the notion that the MEC and LEC convey fundamentally different types of information to the hippocampus, in terms of their spatial firing characteristics, under various environmental and behavioral conditions. ..
  41. Boelen M, Boelen M, Marshak D. Light-stimulated release of dopamine from the primate retina is blocked by 1-2-amino-4-phosphonobutyric acid (APB). Vis Neurosci. 1998;15:97-103 pubmed
    ..The results suggest that ON bipolar cells provide the excitatory drive to dopaminergic amacrine cells in primates, as in other species. ..
  42. Li H, Chuang A, O BRIEN J. Photoreceptor coupling is controlled by connexin 35 phosphorylation in zebrafish retina. J Neurosci. 2009;29:15178-86 pubmed publisher
    ..Furthermore, the nighttime state is characterized by extensive coupling that results in a well connected cone network. ..
  43. Pang J, Gao F, Lem J, Bramblett D, Paul D, Wu S. Direct rod input to cone BCs and direct cone input to rod BCs challenge the traditional view of mammalian BC circuitry. Proc Natl Acad Sci U S A. 2010;107:395-400 pubmed publisher
    ..This is grounds for revising the mammalian rod/cone bipolar cell dogma. ..
  44. Ecker A, Berens P, Cotton R, Subramaniyan M, Denfield G, Cadwell C, et al. State dependence of noise correlations in macaque primary visual cortex. Neuron. 2014;82:235-48 pubmed publisher
    ..Our results show that internal signals, such as brain state transitions under anesthesia, can induce noise correlations but can also be estimated and accounted for based on neuronal population activity. ..
  45. Fotowat H, Gabbiani F. Relationship between the phases of sensory and motor activity during a looming-evoked multistage escape behavior. J Neurosci. 2007;27:10047-59 pubmed
    ..Our results therefore suggest that distinct phases of the firing patterns of individual sensory neurons may actively contribute to distinct phases of complex, multistage motor behaviors. ..
  46. Maruko I, Zhang B, Tao X, Tong J, Smith E, Chino Y. Postnatal development of disparity sensitivity in visual area 2 (v2) of macaque monkeys. J Neurophysiol. 2008;100:2486-95 pubmed publisher
    ..This reduction in disparity sensitivity of V2 and V1 neurons is likely to limit binocular depth perception during the first several weeks of a monkey's life. ..
  47. Ohyama T, Nores W, Mauk M. Stimulus generalization of conditioned eyelid responses produced without cerebellar cortex: implications for plasticity in the cerebellar nuclei. Learn Mem. 2003;10:346-54 pubmed
    ..These results cannot be explained solely by a cell-wide increase in the excitability of deep nucleus neurons, and imply that an input-specific mechanism in the deep cerebellar nucleus operates as well. ..
  48. Eagleman S, Dragoi V. Image sequence reactivation in awake V4 networks. Proc Natl Acad Sci U S A. 2012;109:19450-5 pubmed publisher
    ..We suggest that awake reactivation in visual cortex may underlie perceptual learning by passive stimulus exposure. ..
  49. Fotowat H, Harrison R, Gabbiani F. Multiplexing of motor information in the discharge of a collision detecting neuron during escape behaviors. Neuron. 2011;69:147-58 pubmed publisher
    ..Thus, three distinct features that are multiplexed in a single neuron's sensory response to impending collision-firing rate threshold, peak firing time, and spike count-probably control three distinct motor aspects of escape behaviors...
  50. Beauchamp M, Sun P, Baum S, Tolias A, Yoshor D. Electrocorticography links human temporoparietal junction to visual perception. Nat Neurosci. 2012;15:957-9 pubmed publisher
    ..Electrical stimulation of TPJ modified the detectability of low-contrast visual stimuli. ..
  51. Crow T, Tian L. Morphological characteristics and central projections of two types of interneurons in the visual pathway of Hermissenda. J Neurophysiol. 2002;87:322-32 pubmed
    ..These results indicate that there is at least one additional interneuron in the higher-order visual circuit between type I interneurons and pedal motor neurons responsible for the generation of phototactic locomotion in Hermissenda...
  52. Ro T, Shelton D, Lee O, Chang E. Extrageniculate mediation of unconscious vision in transcranial magnetic stimulation-induced blindsight. Proc Natl Acad Sci U S A. 2004;101:9933-5 pubmed
  53. Xie S, Liu C, Obermayer K, Zhu F, Wang L, Xie X, et al. Stimulator Selection in SSVEP-Based Spatial Selective Attention Study. Comput Intell Neurosci. 2016;2016:6410718 pubmed publisher
    ..938 and 0.853 in LED and LCD mode, respectively. These results indicate that LED simulator is appropriate for evoking the SSVEP for the study of spatial selective attention. ..
  54. de la Flor M, Chen L, Manson Bishop C, Chu T, Zamora K, Robbins D, et al. Drosophila increase exploration after visually detecting predators. PLoS ONE. 2017;12:e0180749 pubmed publisher
  55. Tomson S, Narayan M, Allen G, Eagleman D. Neural networks of colored sequence synesthesia. J Neurosci. 2013;33:14098-106 pubmed publisher
    ..These data suggest that synesthesia is better characterized by studying global network dynamics than by individual properties of a single brain region. ..
  56. Pariyadath V, Eagleman D. Subjective duration distortions mirror neural repetition suppression. PLoS ONE. 2012;7:e49362 pubmed publisher
    ..Additionally, we emphasize that experimental context effects need to be taken into consideration when designing duration-related tasks. ..
  57. Shirato S, Maeda H, Miura G, Frishman L. Postreceptoral contributions to the light-adapted ERG of mice lacking b-waves. Exp Eye Res. 2008;86:914-28 pubmed publisher
    ..In summary, in this study it was found that in Nob mice, postreceptoral neurons from the Off pathway make a positive-going contribution to the light-adapted flash ERG, and contribute substantially to sinusoidal flicker ERG. ..
  58. Jones P, Gabbiani F. Synchronized neural input shapes stimulus selectivity in a collision-detecting neuron. Curr Biol. 2010;20:2052-7 pubmed publisher
    ..Analogous mechanisms are likely to underlie the tuning properties of visual neurons in other species as well. ..
  59. Losavio B, Iyer V, Patel S, Saggau P. Acousto-optic laser scanning for multi-site photo-stimulation of single neurons in vitro. J Neural Eng. 2010;7:045002 pubmed publisher
    ..Our laser scanning systems can produce the sophisticated spatio-temporal patterns of synaptic input that are necessary to investigate single-neuron dendritic physiology. ..
  60. Laron M, Cheng H, Zhang B, Schiffman J, Tang R, Frishman L. Comparison of multifocal visual evoked potential, standard automated perimetry and optical coherence tomography in assessing visual pathway in multiple sclerosis patients. Mult Scler. 2010;16:412-26 pubmed publisher
    ..Multifocal visual evoked potentials (mfVEP) measure local response amplitude and latency in the field of vision...
  61. Ostrin L, Abbott K, Queener H. Attenuation of short wavelengths alters sleep and the ipRGC pupil response. Ophthalmic Physiol Opt. 2017;37:440-450 pubmed publisher
    ..Alterations in the ipRGC-driven pupil response suggest a shift in circadian phase. Results suggest that minimising short wavelength light following sunset may help in regulating sleep patterns. ..
  62. Biegler K, Crowther J, Martin R. Consequences of an inhibition deficit for word production and comprehension: evidence from the semantic blocking paradigm. Cogn Neuropsychol. 2008;25:493-527 pubmed publisher
    ..Q's) production effect is due to difficulties in postselection inhibition, which results in overactivation of lexical representations. This overactivation is likely to be one source of their nonfluency in spontaneous speech...
  63. Fotowat H, Fayyazuddin A, Bellen H, Gabbiani F. A novel neuronal pathway for visually guided escape in Drosophila melanogaster. J Neurophysiol. 2009;102:875-85 pubmed publisher
    ..These pathways exhibit very different patterns of sensory activity and are associated with two distinct motor programs. ..