S S Shergill
Affiliation: King's College London
- Evidence for sensory prediction deficits in schizophreniaSukhwinder S Shergill
Institute of Neurology, University College London
Am J Psychiatry 162:2384-6. 2005..The authors test the hypothesis that patients with schizophrenia have defects in their ability to predict the sensory consequences of their actions...
- Functional anatomy of auditory verbal imagery in schizophrenic patients with auditory hallucinationsS S Shergill
Department of Biostatistics, Institute for Psychiatry, London, UK
Am J Psychiatry 157:1691-3. 2000..This study investigated the functional neuroanatomy of inner speech and auditory verbal imagery in schizophrenic patients predisposed to auditory hallucinations...
- Timing of covert articulation: an fMRI studyS S Shergill
CSI Lab, Institute of Psychiatry, Kings College London, UK
Neuropsychologia 44:2573-7. 2006..Modality specific activation in the right temporal cortex may have reflected the involvement of this region in auditory-verbal processing...
- Temporal course of auditory hallucinationsSukhwinder S Shergill
Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London, UK
Br J Psychiatry 185:516-7. 2004..This supports the hypothesis that during hallucinations activation in cortical regions mediating the generation of inner speech may precede the engagement of areas implicated in the perception of auditory verbal material...
- A diffusion tensor imaging study of fasciculi in schizophreniaSukhwinder S Shergill
Institute of Psychiatry, Kings College London, De Crespigny Park, UK
Am J Psychiatry 164:467-73. 2007..This study used diffusion tensor imaging to examine the integrity of the major white matter fasciculi, which connects the frontal and temporal-parietal cortices, and the corpus callosum in patients with schizophrenia...
- Engagement of brain areas implicated in processing inner speech in people with auditory hallucinationsSukhwinder S Shergill
Institute of Psychiatry, Denmark Hill, London, UK
Br J Psychiatry 182:525-31. 2003..Previous studies have shown that people with schizophrenia who were prone to auditory hallucinations demonstrated attenuated activation of brain areas during the monitoring of inner speech...
- Modulation of activity in temporal cortex during generation of inner speechSukhwinder S Shergill
Institute of Psychiatry, GKT School of Medicine and Dentistry, De Crespigny Park, London, United Kingdom
Hum Brain Mapp 16:219-27. 2002..Furthermore, this may provide support for the existence of feed forward models, which suggest that activity in regions responsible for verbal perception is modulated by activity in areas that generate inner speech...
- Modality specific neural correlates of auditory and somatic hallucinationsS S Shergill
Section of Neuroimaging, Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London, UK
J Neurol Neurosurg Psychiatry 71:688-90. 2001..Hallucinations in a given modality seem to involve areas that normally process sensory information in that modality...
- Mapping auditory hallucinations in schizophrenia using functional magnetic resonance imagingS S Shergill
Wellcome Clinical Fellow, Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF, United Kingdom
Arch Gen Psychiatry 57:1033-8. 2000..This may reflect the acquisition of small numbers of images in each subject and the confounding effects of patients actively signaling when hallucinations occur...
- Examining belief and confidence in schizophreniaD W Joyce
Cognition Schizophrenia and Imaging Laboratory, Department of Psychosis Studies, Institute of Psychiatry, King s College London, UK
Psychol Med 43:2327-38. 2013..We propose and test a cognitive model of belief formation using experimental data from an interactive 'Rock Paper Scissors' (RPS) game...
- Subjective cognitive impairment: functional MRI during a divided attention taskJ Rodda
Department of Mental Health Sciences, University College London, Windeyer Building, 46, Cleveland Street, London W1T 4JF, UK
Eur Psychiatry 26:457-62. 2011..Given that attentional deficits and associated brain activation changes are present early in the course of AD, we aimed to determine whether SCI is associated with brain activation changes during attentional processing...
- An evoked auditory response fMRI study of the effects of rTMS on putative AVH pathways in healthy volunteersD K Tracy
CSI Lab, Department of Psychological Medicine, The Institute of Psychiatry, King s College London, UK
Neuropsychologia 48:270-7. 2010..We explored neuroimaging differences in healthy volunteers between application of a clinically utilized rTMS protocol and a sham rTMS equivalent when undertaking a prosodic auditory task...
- An fMRI study of verbal episodic memory encoding in amnestic mild cognitive impairmentThomas M Dannhauser
Institute of Psychiatry, King s College London, De Crespigny Park, London, UK
Cortex 44:869-80. 2008..We propose that verbal episodic memory impairment in aMCI is related to PFC dysfunction which affects semantic processing at encoding...
- Microstructural organization of cerebellar tracts in schizophreniaRichard A A Kanaan
Department of Psychological Medicine, Institute of Psychiatry, London, United Kingdom
Biol Psychiatry 66:1067-9. 2009..However, previous studies have employed region-of-interest approaches or have used small or unmatched samples, with a consequent risk of type II error...
- Facial fear processing and psychotic symptoms in schizophrenia: functional magnetic resonance imaging studyPanayiota G Michalopoulou
CSI Lab, Department of Psychiatry, Institute of Psychiatry, King s College London, De Crespigny Park, London SE5 8AF, UK
Br J Psychiatry 192:191-6. 2008..The recognition of negative facial affect is impaired in people with schizophrenia. The neural underpinnings of this deficit and its relationship to the symptoms of psychosis are still unclear...
- Examining ventral and dorsal prefrontal function in bipolar disorder: a functional magnetic resonance imaging studySophia Frangou
Section of Neurobiology of Psychosis, Institute of Psychiatry, Kings College London, De Crespigny Park, London, UK
Eur Psychiatry 23:300-8. 2008..Our findings suggest that there are trait abnormalities in dorsal and ventral PFC function in BD that may be more pronounced during tasks that rely on ventral-dorsal PFC interaction...
- The effects of reality distortion syndrome on salient stimuli processing in patients with schizophrenia: an fMRI studyPanayiota G Michalopoulou
Section on Schizophrenia, Imaging and Therapeutics, Department of Psychiatry, Institute of Psychiatry, King s College London, SE5 8AF, UK
Psychiatry Res 183:93-8. 2010..Our findings may indicate that changes in the activation of these regions during processing of emotionally salient stimuli may represent neural markers of patients' symptomatic improvement...
- The functional anatomy of divided attention in amnestic mild cognitive impairmentThomas M Dannhauser
Institute of Psychiatry, King s College London, UK
Brain 128:1418-27. 2005..These findings have implications for evaluating cognition in AMCI and also for monitoring the effects of future treatments in AMCI...
- Tract-specific anisotropy measurements in diffusion tensor imagingRichard A Kanaan
King s College London, Institute of Psychiatry, London, UK
Psychiatry Res 146:73-82. 2006..The problems of both methods are explored, particularly of high variance and ROI definition. The potential benefits of the tractographic method for neuropsychiatric conditions with subtle and diffuse pathology are outlined...
- Neural substrates of letter fluency processing in young adults who were born very preterm: alterations in frontal and striatal regionsChiara Nosarti
Department of Psychiatry, Biomedical Research Centre for Mental Health, Institute of Psychiatry and King s College London, London, UK
Neuroimage 47:1904-13. 2009..However, fMRI results were only partly explained by structural changes, and may reflect processes of functional plasticity for the successful completion of executive-type operations...
- Prosodic discrimination in patients with schizophreniaK Matsumoto
Department of Psychiatry, Institute of Psychiatry, London, UK
Br J Psychiatry 189:180-1. 2006..The results suggest that patients have a deficit in processing fundamental aspects of prosody, which is associated with the presence of positive symptoms...
- Subjective cognitive impairment: increased prefrontal cortex activation compared to controls during an encoding taskJoanne E Rodda
University College London, Department of Mental Health Sciences, UK
Int J Geriatr Psychiatry 24:865-74. 2009....
- Brain structural changes in schizophrenia patients with persistent hallucinationsOwen G O'Daly
P O Box 63, Section of General Psychiatry, Institute of Psychiatry, London, UK
Psychiatry Res 156:15-21. 2007..Such deficits may obscure important cues for recognition of internal speech, contributing to failures of self-monitoring...
- Patients with schizophrenia show increased aversion to angry faces in an associative learning taskS Evans
Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, UCL, London, UK
Psychol Med 41:1471-9. 2011..We were interested in examining the relationship between socially relevant stimuli and decision processes in patients with schizophrenia...
- Two eyes for an eye: the neuroscience of force escalationSukhwinder S Shergill
Institute of Neurology, University College London, Queen Square, London WC1N 3BG, U K
Science 301:187. 2003
- Age effects on diffusion tensor magnetic resonance imaging tractography measures of frontal cortex connections in schizophreniaDerek K Jones
Section on Tissue Biophysics and Biomimetics, LIMB, NICHD, National Institutes of Health, Bethesda, Maryland, USA
Hum Brain Mapp 27:230-8. 2006....
- A diffusion tensor magnetic resonance imaging study of frontal cortex connections in very-late-onset schizophrenia-like psychosisDerek K Jones
Section on Tissue Biophysics and Biomimetics, National Institute of Child Health and Human Development NIH, Bethesda, MD 20892, USA
Am J Geriatr Psychiatry 13:1092-9. 2005..The authors looked within white-matter tracts, which mediate connectivity of the frontal lobes, in psychotic patients for evidence of loss of fiber integrity consistent with degenerative damage...