- Neural systems for speech and song in autism
Department of Neuroscience, Columbia University Medical Centre, New York, NY 10032, USA
Brain 135:961-75. 2012
- Cognitive control mechanisms resolve conflict through cortical amplification of task-relevant information
Functional MRI Research Center, Columbia University, Neurological Institute, Box 108, 710 West 168th Street, New York, New York 10032, USA
Nat Neurosci 8:1784-90. 2005
..These results implicate attentional target-feature amplification as the primary mechanism for conflict resolution through cognitive control...
- Preparatory neural activity predicts performance on a conflict task
Emily R Stern
Department of Psychology, Columbia University, New York, NY 10027, USA
Brain Res 1176:92-102. 2007
- Predictive codes for forthcoming perception in the frontal cortex
Department of Psychology, Columbia University, 1190 Amsterdam Avenue, New York, NY 10027, USA
Science 314:1311-4. 2006
- Self-face enhances processing of immediately preceding invisible faces
Functional MRI Research Center, Columbia University, Neurological Institute B41, 710 W 168th Street, New York, NY 10032, USA
Neuropsychologia 49:564-73. 2011
..These results are in agreement with the notion of self-specific top-down amplification of subliminal task-relevant information, and suggest that the self-face, through its high salience, is particularly efficacious in focusing attention...
- A multiplicative model for spatial interaction in the human visual cortex
Department of Psychology, Columbia University, New York, NY, USA
J Vis 8:4.1-9. 2008
..A modified multiplicative model that incorporates these elements describes the results...
- Cortical functional connectivity decodes subconscious, task-irrelevant threat-related emotion processing
Spiro P Pantazatos
fMRI Research Center, Columbia University, New York, NY, USA
Neuroimage 61:1355-63. 2012
..These findings identify FC that decodes subliminally perceived, task-irrelevant affective stimuli, and suggest that cortical structures are actively engaged by and appear to be essential for subliminal fear processing...
- Frontal-occipital connectivity during visual search
Spiro P Pantazatos
fMRI Research Laboratory, Columbia University Medical Center, New York, NY 10032, USA
Brain Connect 2:164-75. 2012
..These connectivity findings extend previous models of visual search processes to include specific frontal-occipital neuronal interactions during a natural and complex search task...
- Comparison of contrast-response functions from multifocal visual-evoked potentials (mfVEPs) and functional MRI responses
Jason C Park
Department of Psychology, Columbia University, New York, NY, USA
J Vis 8:8.1-12. 2008
..J. Heeger, A. C. Huk, W. S. Geisler, and D. G. Albrecht (2000) does not fit the results...
- Where memory meets attention: neural substrates of negative priming
Columbia University, New York, NY 10032, USA
J Cogn Neurosci 17:1774-84. 2005
..Our results support the proposal that ignored stimulus information is fully encoded in memory, and that episodic retrieval, not selective inhibition, of such information affects selective attention performance on subsequent trials...
- A neural representation of categorization uncertainty in the human brain
Center for Neurobiology and Behavior, Columbia University, New York, New York 10032, USA
Neuron 49:757-63. 2006
..We found this network to be distinct from the frontoparietal attention network, consisting of the frontal and parietal eye fields, where activity was not correlated with categorization uncertainty...
- The dynamics of deductive reasoning: an fMRI investigation
Graduate School of Medical Sciences, Cornell University, New York, NY, USA
Neuropsychologia 47:949-61. 2009
..Thus, areas within the frontal and parietal regions are differentially engaged at different time points in the reasoning process consistent with coordinated intra-network interactions...
- Brain activity associated with stimulation therapy of the visual borderzone in hemianopic stroke patients
Randolph S Marshall
Department of Neurology Columbia University Medical Center, NY, NY 10032, USA
Neurorehabil Neural Repair 22:136-44. 2008
..We hypothesized that the training itself would induce visual field location-specific changes in the brain's response to stimuli, a phenomenon demonstrated in animal experiments but never in humans with brain injury...
- Neural mechanisms of grief regulation
Peter J Freed
Division of Molecular Imaging and Neuropathology, Columbia University, New York, New York 10032, USA
Biol Psychiatry 66:33-40. 2009
..We hypothesized that symptoms might correlate with a capacity to regulate attention toward reminders of the deceased, and activity in, and functional connectivity between, prefrontal regulatory regions and the amygdala...
- Dissociable neural systems resolve conflict from emotional versus nonemotional distracters
Functional MRI Research Center, Columbia University, Neurological Institute, Box 108, 710 West 168th Street, New York, NY 10032, USA
Cereb Cortex 18:1475-84. 2008
..These data suggest that the neuroanatomical networks recruited to overcome conflict vary systematically with the nature of the conflict, but that they may share a common conflict-detection mechanism...
- Reperfusion normalizes motor activation patterns in large-vessel disease
Department of Neurology, Columbia University Medical Center, New York, NY 10032, USA
Ann Neurol 65:203-8. 2009
..Hemodynamic impairment in one hemisphere has been shown to trigger ipsilateral motor activation in the opposite hemisphere on functional imaging. We hypothesized that reversing the hypoperfusion would normalize the motor activation pattern...
- The dorsal medial frontal cortex is sensitive to time on task, not response conflict or error likelihood
Department of Radiology, Columbia University, New York, NY 10032, USA
Neuroimage 57:303-11. 2011
- Resolving emotional conflict: a role for the rostral anterior cingulate cortex in modulating activity in the amygdala
Center for Neurobiology and Behavior, Columbia University Medical Center, Neurological Institute Box 108, 710 West 168th Street, New York, New York 10032, USA
Neuron 51:871-82. 2006
..These data suggest that emotional conflict is resolved through top-down inhibition of amygdalar activity by the rostral cingulate cortex...
- Decoding unattended fearful faces with whole-brain correlations: an approach to identify condition-dependent large-scale functional connectivity
Spiro P Pantazatos
fMRI Research Center, Columbia University, New York, New York, United States of America
PLoS Comput Biol 8:e1002441. 2012
- Effects of heartbeat and respiration on macaque fMRI: implications for functional connectivity
Columbia University, Department of Psychiatry and Neuroscience, David Mahoney Centre for Brain and Behavior Research, New York, USA
Neuropsychologia 48:1886-94. 2010
..Temporal bandpass filtering or spatial smoothing may help to reduce the effects of artifacts in some cases but are not an adequate replacement for an algorithm that explicitly models and removes cyclic cardiac and respiratory artifacts...
- Selective reduction in neural responses to high calorie foods following gastric bypass surgery
Christopher N Ochner
New York Obesity Research Center, St Luke s Roosevelt Hospital, New York, NY, USA
Ann Surg 253:502-7. 2011
..To investigate changes in neural activation and desire to eat in response to appetitive cues from pre- to postbariatric surgery for obesity...
- Neural response to eye contact and paroxetine treatment in generalized social anxiety disorder
Franklin R Schneier
Anxiety Disorders Clinic, New York State Psychiatric Institute, New York, NY 10032, USA
Psychiatry Res 194:271-8. 2011
..These findings demonstrate that eye contact in GSAD engages neurocircuitry consistent with the heightened self-conscious emotional states known to characterize GSAD patients during scrutiny...
- Neocortical connectivity during episodic memory formation
Department of Psychology, Columbia University, New York, New York, USA
PLoS Biol 4:e128. 2006
..These data support the view that during episodic encoding, "top-down" control signals originating in the prefrontal cortex help determine which perceptual information is fated to be bound into the new episodic memory trace...
- Neural dynamics of rejection sensitivity
Psychology Department, Columbia University, New York, NY 10027, USA
J Cogn Neurosci 19:945-56. 2007
- Distinct but overlapping neural networks subserve depression and insecure attachment
Igor I Galynker
Department of Psychiatry and Behavioral Sciences, Beth Israel Medical Center, Albert Einstein College of Medicine, New York, NY, USA
Soc Cogn Affect Neurosci 7:896-908. 2012
..Further, differential sub-cortical vs cortical encoding of early vs late attachment suggests a top-down model of late attachment, potentially relevant to psychotherapeutic outcome...
- Energy intake in weight-reduced humans
Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
Brain Res 1350:95-102. 2010
..Much of this biological opposition to sustained weight loss is mediated by the adipocyte-derived hormone "leptin."..
- Adipose tissue distribution after weight restoration and weight maintenance in women with anorexia nervosa
Laurel E S Mayer
Department of Psychiatry, Columbia University Medical Center, and New York State Psychiatric Institute, New York, NY, USA
Am J Clin Nutr 90:1132-7. 2009
..Whether these abnormalities persist over time remains unknown...
- Responsivity to food stimuli in obese and lean binge eaters using functional MRI
Department of Medicine, New York Obesity Research Center, St Luke s Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, 1111 Amsterdam Avenue, New York, NY 10025, USA
Appetite 46:31-5. 2006
..Because a random effects group analysis has not yet been completed, this should be considered a preliminary report...
- Visual and tactile guidance of dexterous manipulation tasks: an fMRI study
Department of Psychiatry, Columbia University, New York, NY 10032, USA
Percept Mot Skills 101:317-34. 2005
- Speech stimulation during functional MR imaging as a potential indicator of autism
Functional MRI Research Center, Columbia University Medical Center, Neurological Institute, 710 W 168th St, Room B 41, New York, NY 10032, USA
Radiology 260:521-30. 2011
..To determine the feasibility of applying functional magnetic resonance (MR) imaging as an objective indicator of language disability in autism by using passive speech stimulation...
- Self-specific priming effect
Program for Imaging and Cognitive Sciences PICS, Columbia University, Neurological Institute B41, 710 W 168th Street, New York, NY 10032, United States
Conscious Cogn 19:962-8. 2010
..We found that subliminal primes induced a priming effect only on self target faces. This discovery of a self-specific priming effect suggests that functional specificity for faces may include timing as well as spatial adaptations...
- Can depression be diagnosed by response to mother's face? A personalized attachment-based paradigm for diagnostic fMRI
Department of Radiology, Department of Psychology, Hatch Research Center, Columbia University, Neurological Institute, New York, New York, United States of America
PLoS ONE 6:e27253. 2011
..In this study, we developed a method to calculate predicted scores for the Beck Depression Inventory II (BDI-II) using personalized stimuli: fMRI imaging of subjects viewing pictures of their own mothers...
- Detection of time-varying signals in event-related fMRI designs
Program in Imaging and Cognitive Sciences, Columbia University, New York, New York 10032, USA
Neuroimage 43:509-20. 2008
- A translational bridge between mouse and human models of learned safety
Daniela D Pollak
Department of Neuroscience, Columbia University, New York, NY, USA
Ann Med 42:115-22. 2010
..While the neurophysiological and molecular mechanisms have been characterized in mice, it is currently not known how the neural substrates involved compare between mice and people...
- Repeated exposure to media violence is associated with diminished response in an inhibitory frontolimbic network
Christopher R Kelly
Department of Radiology, Functional MRI Research Center, Columbia University, Neurological Institute, New York, New York, United States of America
PLoS ONE 2:e1268. 2007
..Media depictions of violence, although often claimed to induce viewer aggression, have not been shown to affect the cortical networks that regulate behavior...
- Neural circuitry of submissive behavior in social anxiety disorder: A preliminary study of response to direct eye gaze
Franklin R Schneier
Anxiety Disorders Clinic, New York State Psychiatric Institute, 1051 Riverside Drive, Unit 69, New York, NY 10032, USA
Psychiatry Res 173:248-50. 2009
..Neural response to direct gaze may identify brain regions important in the pathophysiology of SAD...
- Leptin reverses weight loss-induced changes in regional neural activity responses to visual food stimuli
Department of Pediatrics, Division of Molecular Genetics, Naomi Berrie Diabetes Center, Columbia University Medical Center New York Presbyterian Medical Center, New York, New York, USA
J Clin Invest 118:2583-91. 2008
..These data are consistent with a model of the weight-reduced state as one of relative leptin deficiency...
- Sleep restriction leads to increased activation of brain regions sensitive to food stimuli
Marie Pierre St-Onge
Institute of Human Nutrition, College of Physicians and Surgeons, Columbia University, New York, NY, USA
Am J Clin Nutr 95:818-24. 2012
..Although clinical studies propose that restricted sleep affects hormones related to appetite, neuronal activity in response to food stimuli after restricted and habitual sleep has not been investigated...
- Intentional false responding shares neural substrates with response conflict and cognitive control
Jennifer Maria Nuñez
Department of Neurology and Neuroscience, Weill Medical College of Cornell University, New York, NY 10021, USA
Neuroimage 25:267-77. 2005
- Functional neuroimaging during altered states of consciousness: how and what do we measure?
Department of Radiology, Center for Neurobiology and Behavior, Columbia University, New York, NY 10032, USA
Prog Brain Res 150:25-43. 2005
..Rather than addressing the question of "how does the brain do consciousness" with these techniques, this chapter presents methods for assessment of neurocognitive health in specific patients with disorders of consciousness...
- Discordance between functional magnetic resonance imaging during silent speech tasks and intraoperative speech arrest
Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, USA
J Neurosurg 103:267-74. 2005
- Mistaking a house for a face: neural correlates of misperception in healthy humans
Department of Psychology, Columbia University, 406 Schermerhorn Hall, 1190 Amsterdam Ave, New York, NY 10027, USA
Cereb Cortex 16:500-8. 2006
..We suggest that FFA responses during misperception may be driven by a predictive top-down signal from these regions...
- Analysis of clamping versus cutting of T3 sympathetic nerve for severe palmar hyperhidrosis
Ted K Yanagihara
Department of Neuroscience, Medical Scientist Training Program, Columbia University, New York, NY, USA
J Thorac Cardiovasc Surg 140:984-9. 2010
..We subjectively assessed the sweat severity in different areas of the body and evaluated changes in the quality of life in patients undergoing either the cutting or clamping technique...
- Neuroimaging and disorders of consciousness: envisioning an ethical research agenda
Joseph J Fins
Weill Medical College of Cornell University, New York, NY 10021, USA
Am J Bioeth 8:3-12. 2008
..It represents an interdisciplinary approach to the challenges posed by the emerging use of neuroimaging technologies to describe and characterize disorders of consciousness...
- 11C-dihydrotetrabenazine PET of the pancreas in subjects with long-standing type 1 diabetes and in healthy controls
Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, New York, USA
J Nucl Med 50:382-9. 2009
..We evaluated the feasibility of (11)C-dihydrotetrabenazine PET quantification of pancreatic VMAT2 binding in healthy subjects and patients with long-standing type 1 diabetes...
- Separate conflict-specific cognitive control mechanisms in the human brain
Functional MRI Research Center, Neurological Institute Box 108, Columbia University, 710 W 168th St, New York, NY 10032, USA
Neuroimage 35:940-8. 2007
..We propose a non-centralized, modular architecture of cognitive control, where separate control resources operate in parallel, and are recruited in a context-sensitive manner...
- The neural correlates and functional integration of cognitive control in a Stroop task
Functional MRI Research Center, Columbia University, New York, NY 10032, USA
Neuroimage 24:539-47. 2005
..These data suggest that cognitive control is implemented by medial and lateral prefrontal cortices that bias processes in regions that have been implicated in high-level perceptual and motor processes...
- Reproducibility of single- and multi-voxel 1H MRS measurements of intramyocellular lipid in overweight and lean subjects under conditions of controlled dietary calorie and fat intake
Obesity Research Center, St Luke s Roosevelt Hospital and Institute of Human Nutrition, Columbia University, New York, USA
NMR Biomed 21:498-506. 2008
- Cortical reorganization following intradigital tendon transfer
Department of Radiology, Harlem Hospital, and Department of Neurology, Columbia University Medical Center, Columbia University, New York, New York 10032, USA
Neuroreport 17:1669-73. 2006