Nick F Ramsey

Author PubWeight™ 78.80‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Automated electrocorticographic electrode localization on individually rendered brain surfaces. J Neurosci Methods 2009 2.01
2 Delta 9-tetrahydrocannabinol induces dopamine release in the human striatum. Neuropsychopharmacology 2008 1.88
3 Language activation in monozygotic twins discordant for schizophrenia. Br J Psychiatry 2004 1.64
4 Neurophysiologic correlates of fMRI in human motor cortex. Hum Brain Mapp 2011 1.60
5 Function of striatum beyond inhibition and execution of motor responses. Hum Brain Mapp 2005 1.51
6 Effects of δ9-tetrahydrocannabinol on human working memory function. Biol Psychiatry 2012 1.51
7 Human motor cortical activity is selectively phase-entrained on underlying rhythms. PLoS Comput Biol 2012 1.51
8 Long-term consequences of adolescent cannabis exposure on the development of cognition, brain structure and function: an overview of animal and human research. Curr Drug Abuse Rev 2008 1.47
9 A practical procedure for real-time functional mapping of eloquent cortex using electrocorticographic signals in humans. Epilepsy Behav 2009 1.39
10 Cannabis use and memory brain function in adolescent boys: a cross-sectional multicenter functional magnetic resonance imaging study. J Am Acad Child Adolesc Psychiatry 2010 1.38
11 Exogenous testosterone enhances responsiveness to social threat in the neural circuitry of social aggression in humans. Biol Psychiatry 2007 1.35
12 Enhanced sensitivity with fast three-dimensional blood-oxygen-level-dependent functional MRI: comparison of SENSE-PRESTO and 2D-EPI at 3 T. NMR Biomed 2008 1.31
13 Cardiorespiratory effects on default-mode network activity as measured with fMRI. Hum Brain Mapp 2009 1.30
14 Effects of frequent cannabis use on hippocampal activity during an associative memory task. Eur Neuropsychopharmacol 2006 1.25
15 Chronic effects of cannabis use on the human reward system: an fMRI study. Eur Neuropsychopharmacol 2010 1.24
16 Long-term effects of frequent cannabis use on working memory and attention: an fMRI study. Psychopharmacology (Berl) 2006 1.19
17 Brain-computer interfacing based on cognitive control. Ann Neurol 2010 1.15
18 Neuronal substrate of the saccadic inhibition deficit in schizophrenia investigated with 3-dimensional event-related functional magnetic resonance imaging. Arch Gen Psychiatry 2002 1.13
19 Contribution of the left and right inferior frontal gyrus in recovery from aphasia. A functional MRI study in stroke patients with preserved hemodynamic responsiveness. Neuroimage 2009 1.13
20 Effects of exogenous testosterone on the ventral striatal BOLD response during reward anticipation in healthy women. Neuroimage 2010 1.11
21 Functional neuroimaging studies of early upper limb recovery after stroke: a systematic review of the literature. Neurorehabil Neural Repair 2010 1.10
22 Within-subject variation in BOLD-fMRI signal changes across repeated measurements: quantification and implications for sample size. Neuroimage 2008 1.08
23 Striatal dysfunction in schizophrenia and unaffected relatives. Biol Psychiatry 2006 1.07
24 Cortical depth-dependent temporal dynamics of the BOLD response in the human brain. J Cereb Blood Flow Metab 2011 1.05
25 The neural mechanisms by which testosterone acts on interpersonal trust. Neuroimage 2012 1.04
26 Neural correlates of locative prepositions. Neuropsychologia 2008 1.00
27 Testosterone administration modulates neural responses to crying infants in young females. Psychoneuroendocrinology 2010 0.98
28 Evidence of altered cortical and amygdala activation during social decision-making in schizophrenia. Neuroimage 2008 0.97
29 The role of functional magnetic resonance imaging in brain surgery. Neurosurg Focus 2010 0.96
30 Automatization and working memory capacity in schizophrenia. Schizophr Res 2007 0.96
31 Brain activation during antisaccades in unaffected relatives of schizophrenic patients. Biol Psychiatry 2005 0.93
32 Task and task-free FMRI reproducibility comparison for motor network identification. Hum Brain Mapp 2012 0.92
33 Left dorsolateral prefrontal cortex dysfunction in medication-naive schizophrenia. Schizophr Res 2010 0.92
34 Interhemispheric reorganization of motor hand function to the primary motor cortex predicted with functional magnetic resonance imaging and transcranial magnetic stimulation. J Child Neurol 2002 0.92
35 Can fMRI safely replace the Wada test for preoperative assessment of language lateralisation? A meta-analysis and systematic review. J Neurol Neurosurg Psychiatry 2013 0.91
36 Patterns of resting state connectivity in human primary visual cortical areas: a 7T fMRI study. Neuroimage 2013 0.90
37 Spatial working memory deficits in obsessive compulsive disorder are associated with excessive engagement of the medial frontal cortex. Neuroimage 2003 0.90
38 Propagating neocortical gamma bursts are coordinated by traveling alpha waves. J Neurosci 2013 0.89
39 Assessment of cognitive brain function in ecstasy users and contributions of other drugs of abuse: results from an FMRI study. Neuropsychopharmacology 2007 0.89
40 Prefrontal lobe dysfunction predicts treatment response in medication-naive first-episode schizophrenia. Schizophr Res 2011 0.89
41 Testosterone administration in women increases amygdala responses to fearful and happy faces. Psychoneuroendocrinology 2012 0.89
42 Sleep spindles are locally modulated by training on a brain-computer interface. Proc Natl Acad Sci U S A 2012 0.89
43 Neurotoxic effects of ecstasy on the thalamus. Br J Psychiatry 2008 0.88
44 Involvement of the endocannabinoid system in reward processing in the human brain. Psychopharmacology (Berl) 2011 0.88
45 Decreased thalamic blood flow in obsessive-compulsive disorder patients responding to fluvoxamine. Psychiatry Res 2005 0.87
46 Dissociation between neuronal activity in sensorimotor cortex and hand movement revealed as a function of movement rate. J Neurosci 2012 0.87
47 BOLD consistently matches electrophysiology in human sensorimotor cortex at increasing movement rates: a combined 7T fMRI and ECoG study on neurovascular coupling. J Cereb Blood Flow Metab 2013 0.86
48 Reliability of two clinically relevant fiber pathways reconstructed with constrained spherical deconvolution. Magn Reson Med 2013 0.85
49 Mismatch between electrocortical stimulation and electrocorticography frequency mapping of language. Brain Stimul 2013 0.85
50 Cortical theta wanes for language. Neuroimage 2013 0.85
51 Relation between functional magnetic resonance imaging (fMRI) and single neuron, local field potential (LFP) and electrocorticography (ECoG) activity in human cortex. Front Hum Neurosci 2013 0.84
52 Evidence for involvement of the insula in the psychotropic effects of THC in humans: a double-blind, randomized pharmacological MRI study. Int J Neuropsychopharmacol 2011 0.84
53 Methods of the pharmacological imaging of the cannabinoid system (PhICS) study: towards understanding the role of the brain endocannabinoid system in human cognition. Int J Methods Psychiatr Res 2011 0.84
54 Practice induces function-specific changes in brain activity. PLoS One 2008 0.83
55 The Netherlands XTC Toxicity (NeXT) study: objectives and methods of a study investigating causality, course, and clinical relevance. Int J Methods Psychiatr Res 2005 0.83
56 Reduced language lateralization in first-episode medication-naive schizophrenia. Schizophr Res 2011 0.83
57 The endocannabinoid system and emotional processing: a pharmacological fMRI study with ∆9-tetrahydrocannabinol. Eur Neuropsychopharmacol 2013 0.82
58 Spatial working memory in obsessive-compulsive disorder improves with clinical response: A functional MRI study. Eur Neuropsychopharmacol 2006 0.82
59 Navigation of a telepresence robot via covert visuospatial attention and real-time fMRI. Brain Topogr 2012 0.81
60 Error probability of intracranial brain computer interfaces under non-task elicited brain states. Clin Neurophysiol 2012 0.81
61 BOLD specificity and dynamics evaluated in humans at 7 T: comparing gradient-echo and spin-echo hemodynamic responses. PLoS One 2013 0.81
62 Saccadic abnormalities in psychotropic-naive obsessive-compulsive disorder without co-morbidity. Psychol Med 2006 0.81
63 Effects of Δ9-tetrahydrocannabinol administration on human encoding and recall memory function: a pharmacological FMRI study. J Cogn Neurosci 2011 0.81
64 Tentative evidence for striatal hyperactivity in adolescent cannabis-using boys: a cross-sectional multicenter fMRI study. J Psychoactive Drugs 2013 0.81
65 Discrepant findings for Wada test and functional magnetic resonance imaging with regard to language function: use of electrocortical stimulation mapping to confirm results. Case report. J Neurosurg 2005 0.80
66 Incidental use of ecstasy: no evidence for harmful effects on cognitive brain function in a prospective fMRI study. Psychopharmacology (Berl) 2007 0.80
67 Real-time decoding of the direction of covert visuospatial attention. J Neural Eng 2012 0.79
68 Default mode network in the effects of Δ9-Tetrahydrocannabinol (THC) on human executive function. PLoS One 2013 0.79
69 Brain activation related to retrosaccades in saccade experiments. Neuroreport 2005 0.79
70 Functional anatomy of top-down visuospatial processing in the human brain: evidence from rTMS. Brain Res Cogn Brain Res 2002 0.78
71 Real-time decoding of brain responses to visuospatial attention using 7T fMRI. PLoS One 2011 0.78
72 Detection of spontaneous class-specific visual stimuli with high temporal accuracy in human electrocorticography. Conf Proc IEEE Eng Med Biol Soc 2009 0.77
73 Involuntary language switching in two bilingual patients during the Wada test and intraoperative electrocortical stimulation. Brain Lang 2007 0.77
74 Lateralization of motor innervation in children with intractable focal epilepsy--a TMS and fMRI study. Epilepsy Res 2010 0.77
75 The influence of amphetamine on language activation: an fMRI study. Psychopharmacology (Berl) 2005 0.77
76 Integration of motion responses underlying directional motion anisotropy in human early visual cortical areas. PLoS One 2013 0.77
77 Perceptual bias following visual target selection. Neuroimage 2005 0.77
78 Working memory deficits after resection of the dorsolateral prefrontal cortex predicted by functional magnetic resonance imaging and electrocortical stimulation mapping. Case report. J Neurosurg 2007 0.77
79 The physiological basis of visual hallucinations after damage to the primary visual cortex. Neuroreport 2007 0.76
80 Cortical reorganisation in a preterm born child with unilateral watershed infarction. Eur J Paediatr Neurol 2011 0.76
81 Function localisation in neurosurgery: new tools, new practices? Clin Neurol Neurosurg 2004 0.75
82 Spatiotemporal characteristics of electrocortical brain activity during mental calculation. Hum Brain Mapp 2014 0.75
83 BCI control using 4 direction spatial visual attention and real-time fMRI at 7T. Conf Proc IEEE Eng Med Biol Soc 2010 0.75
84 7T fMRI reveals feasibility of covert visual attention-based brain-computer interfacing with signals obtained solely from cortical grey matter accessible by subdural surface electrodes. Clin Neurophysiol 2013 0.75