Adam Kohn

Summary

Affiliation: Albert Einstein College of Medicine
Country: USA

Publications

  1. pmc Correlations and brain states: from electrophysiology to functional imaging
    Adam Kohn
    Dom Purpura Department of Neuroscience, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
    Curr Opin Neurobiol 19:434-8. 2009
  2. ncbi request reprint Visual adaptation: physiology, mechanisms, and functional benefits
    Adam Kohn
    Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    J Neurophysiol 97:3155-64. 2007
  3. pmc No consistent relationship between gamma power and peak frequency in macaque primary visual cortex
    Xiaoxuan Jia
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 33:17-25. 2013
  4. pmc γ and the coordination of spiking activity in early visual cortex
    Xiaoxuan Jia
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    Neuron 77:762-74. 2013
  5. pmc Adaptation disrupts motion integration in the primate dorsal stream
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA Electronic address
    Neuron 81:674-86. 2014
  6. pmc Stimulus selectivity and spatial coherence of gamma components of the local field potential
    Xiaoxuan Jia
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 31:9390-403. 2011
  7. pmc Adaptation improves performance on a visual search task
    Stephanie C Wissig
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA
    J Vis 13:6. 2013
  8. pmc Distinct effects of brief and prolonged adaptation on orientation tuning in primary visual cortex
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience and Department of Ophthalmology and Visual Sciences, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 33:532-43. 2013
  9. pmc The influence of surround suppression on adaptation effects in primary visual cortex
    Stephanie C Wissig
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA
    J Neurophysiol 107:3370-84. 2012
  10. pmc Similar adaptation effects in primary visual cortex and area MT of the macaque monkey under matched stimulus conditions
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York
    J Neurophysiol 111:1203-13. 2014

Research Grants

  1. Adaptation to visual motion
    Adam Kohn; Fiscal Year: 2009
  2. Adaptation to visual motion
    Adam Kohn; Fiscal Year: 2010

Collaborators

Detail Information

Publications20

  1. pmc Correlations and brain states: from electrophysiology to functional imaging
    Adam Kohn
    Dom Purpura Department of Neuroscience, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, NY 10461, USA
    Curr Opin Neurobiol 19:434-8. 2009
    ..Given the potential impact on population coding, this modulation of correlations may play an important role in sensory processing...
  2. ncbi request reprint Visual adaptation: physiology, mechanisms, and functional benefits
    Adam Kohn
    Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    J Neurophysiol 97:3155-64. 2007
    ..I conclude with a brief discussion of some important open questions in the field...
  3. pmc No consistent relationship between gamma power and peak frequency in macaque primary visual cortex
    Xiaoxuan Jia
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 33:17-25. 2013
    ..We propose a simple model that can account for the complex stimulus dependence we observe, and suggest that separate mechanisms determine gamma power and peak frequency...
  4. pmc γ and the coordination of spiking activity in early visual cortex
    Xiaoxuan Jia
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    Neuron 77:762-74. 2013
    ..Our results thus show that elevated gamma power is associated with stronger coordination of spiking activity both within and between cortical areas...
  5. pmc Adaptation disrupts motion integration in the primate dorsal stream
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA Electronic address
    Neuron 81:674-86. 2014
    ..Our results suggest that the effects of adaptation cascade through the visual system, derailing the downstream representation of distinct stimulus attributes. ..
  6. pmc Stimulus selectivity and spatial coherence of gamma components of the local field potential
    Xiaoxuan Jia
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 31:9390-403. 2011
    ..Our results show that there is not a single, fixed ensemble contributing to gamma and that the selectivity of gamma cannot be used to infer its spatial extent...
  7. pmc Adaptation improves performance on a visual search task
    Stephanie C Wissig
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA
    J Vis 13:6. 2013
    ..Our results provide evidence that adaptation may function to highlight features that differ from the temporal context in which they are embedded...
  8. pmc Distinct effects of brief and prolonged adaptation on orientation tuning in primary visual cortex
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience and Department of Ophthalmology and Visual Sciences, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Neurosci 33:532-43. 2013
    ..Our findings show that effects do not simply scale with adaptation duration and suggest that distinct strategies exist for adjusting to moment-to-moment fluctuations in input and to more persistent visual stimuli...
  9. pmc The influence of surround suppression on adaptation effects in primary visual cortex
    Stephanie C Wissig
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA
    J Neurophysiol 107:3370-84. 2012
    ..Our data reveal that adaptation can have a much richer repertoire of effects on neuronal responsivity and tuning than previously considered and suggest an intimate mechanistic relationship between spatial and temporal contextual effects...
  10. pmc Similar adaptation effects in primary visual cortex and area MT of the macaque monkey under matched stimulus conditions
    Carlyn A Patterson
    Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York
    J Neurophysiol 111:1203-13. 2014
    ..Moreover, they indicate that different levels of the visual system adapt similarly to recent sensory experience...
  11. pmc Questioning the role of rebound firing in the cerebellum
    Karina Alviña
    Dominick P Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    Nat Neurosci 11:1256-8. 2008
    ..We found that intact mouse or rat DCN neurons rarely showed rebound firing under physiological conditions in vitro or in vivo. These observations necessitate a critical re-evaluation of recent cerebellar models...
  12. ncbi request reprint Visual adaptation: neural, psychological and computational aspects
    Colin W G Clifford
    School of Psychology, University of Sydney, Sydney, NSW 2006, Australia
    Vision Res 47:3125-31. 2007
    ..Here, we discuss functional ideas about adaptation in the light of recent data and identify exciting directions for future research...
  13. pmc Glass pattern responses in macaque V2 neurons
    Matthew A Smith
    Center for Neural Science, New York University, New York, NY, USA
    J Vis 7:5. 2007
    ..It appears that the coding of the more complicated global structure in Glass patterns takes place further downstream in the visual system...
  14. ncbi request reprint The role of correlations in direction and contrast coding in the primary visual cortex
    Fernando Montani
    Department of Bioengineering, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
    J Neurosci 27:2338-48. 2007
    ....
  15. ncbi request reprint Stimulus dependence of neuronal correlation in primary visual cortex of the macaque
    Adam Kohn
    Center for Neural Science, New York University, New York, New York 10003, USA
    J Neurosci 25:3661-73. 2005
    ....
  16. ncbi request reprint Adaptation changes the direction tuning of macaque MT neurons
    Adam Kohn
    Center for Neural Science, New York University, 4 Washington Place, Room 809, New York, New York 10003, USA
    Nat Neurosci 7:764-72. 2004
    ..This previously unknown effect of adaptation is consistent with perceptual aftereffects and indicates that different cortical regions may adjust to constant sensory input in distinct ways...
  17. ncbi request reprint Neuronal adaptation to visual motion in area MT of the macaque
    Adam Kohn
    Howard Hughes Medical Institute, New York University, New York, NY 10003, USA
    Neuron 39:681-91. 2003
    ..While both preferred and null adaptation alter MT responses, these effects probably do not occur in MT neurons but are likely to reflect adaptation-induced changes in contrast gain earlier in the visual pathway...
  18. pmc Comparison of recordings from microelectrode arrays and single electrodes in the visual cortex
    Ryan C Kelly
    Center for the Neural Basis of Cognition, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
    J Neurosci 27:261-4. 2007
  19. ncbi request reprint Measuring spike pattern reliability with the Lempel-Ziv-distance
    Markus Christen
    Institute of Neuroinformatics, University ETH Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    J Neurosci Methods 156:342-50. 2006
    ..For both applications, we show how the LZ-distance gives additional insights, as it adds a new perspective on the problem of firing reliability determination and allows neuron classifications in cases, where other distance measures fail...
  20. ncbi request reprint Sensory cortical dynamics
    Adam Kohn
    Curriculum in Neurobiology and Department of Cell and Molecular Physiology, University of North Carolina, 155 Medical Research, Chapel Hill, NC 27599 7545, USA
    Behav Brain Res 135:119-26. 2002
    ..Candidate cellular mechanisms and the potential benefits of such stimulus-driven, rapid, and fully reversible sensory cortical dynamics are discussed...

Research Grants3

  1. Adaptation to visual motion
    Adam Kohn; Fiscal Year: 2009
    ..g. stroke) or peripheral (e.g. limb amputation) injury and designing sensory devices (e.g. artificial cochlea or visual aids) that extract or insert signals into the brain. ..
  2. Adaptation to visual motion
    Adam Kohn; Fiscal Year: 2010
    ..g. stroke) or peripheral (e.g. limb amputation) injury and designing sensory devices (e.g. artificial cochlea or visual aids) that extract or insert signals into the brain. ..