Staff Profile

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• Roberts G, Durcan R, Donaghy PC, Lawley S, Ciafone J, Hamilton CA, Colloby SJ, Firbank MJ, Allan L, Barnett N, Barker S, Howe K, Ali T, Petrides GS, Lloyd J, Taylor J-P, O'Brien J, Thomas AJ. Accuracy of Cardiac Innervation Scintigraphy for Mild Cognitive Impairment With Lewy Bodies. Neurology 2021, 96(23), e2801-e2811.
• Roberts G, Donaghy PC, Lloyd J, Durcan R, Petrides G, Colloby SJ, Lawley S, Ciafone J, Hamilton CA, Firbank M, Allan L, Barnett N, Barker S, Olsen K, Howe K, Ali T, Taylor JP, O'Brien J, Thomas AJ. Accuracy of dopaminergic imaging as a biomarker for mild cognitive impairment with Lewy bodies. The British Journal of Psychiatry 2021, 218(5), 276-282.
• McAleese KE, Miah M, Graham S, Hadfield GM, Walker L, Johnson M, Colloby SJ, Thomas AJ, DeCarli C, Koss D, Attems J. Frontal white matter lesions in Alzheimer’s disease are associated with both small vessel disease and AD-associated cortical pathology. Acta Neuropathologica 2021, 142, 937-950.
• Ciafone J, Thomas A, Durcan R, Donaghy P, Hamilton CA, Lawley S, Roberts G, Colloby S, Firbank MJ, Allan L, Petrides G, Taylor JP, O'Brien JT, Gallagher P. Neuropsychological Impairments and Their Cognitive Architecture in Mild Cognitive Impairment (MCI) with Lewy Bodies and MCI-Alzheimer’s Disease. Journal of the International Neuropsychological Society 2021, 28(9), 963-973.
• Colloby SJ, Nathan P, Bakker G, Lawson RA, Yarnall AJ, Burn DJ, OBrien JT, Taylor JP. Spatial covariance of cholinergic muscarinic M₁/M₄ receptors in Parkinson’s disease. Movement Disorders 2021, 36(8), 1879-1888.
• Colloby SJ, Watson R, Blamire AM, O'Brien JT, Taylor JP. Cortical thinning in dementia with Lewy bodies and Parkinson disease dementia. Australian & New Zealand Journal of Psychiatry 2020, 54(6), 633-643.
• Elder GJ, Colloby SJ, Firbank MJ, McKeith IG, Taylor J-P. Consecutive sessions of transcranial direct current stimulation do not remediate visual hallucinations in Lewy body dementia: a randomised controlled trial. Alzheimer's Research and Therapy 2019, 11(1), 9.
• Thomas A, Donaghy P, Roberts G, Colloby SJ, Barnett NA, Petrides G, Lloyd J, Olsen K, Taylor J-P, McKeith I, O'Brien JT. Diagnostic Accuracy of Dopaminergic Imaging in Prodromal Dementia with Lewy Bodies. Psychological Medicine 2019, 49(3), 396-402.
• Patterson L, Firbank MJ, Colloby SJ, Attems J, Thomas AJ, Morris CM. Neuropathological Changes in Dementia With Lewy Bodies and the Cingulate Island Sign. Journal of Neuropathology and Experimental Neurology 2019, 78(8), 717–724.
• Lloyd JJ, Petrides G, Donaghy PC, Colloby SJ, Attems J, O'Brien JT, Roberts G, Thomas AJ. A new visual rating scale for Ioflupane imaging in Lewy body disease. NeuroImage: Clinical 2018, 20, 823-829.
• McAleese KE, Walker L, Colloby SJ, Taylor J-P, Thomas AJ, DeCarli C, Attems J. Cortical tau pathology: A major player in fibre-specific white matter reductions in Alzheimer's disease?. Brain 2018, 141(6), e44.
• Donaghy PC, Taylor JP, O'Brien JT, Barnett N, Olsen K, Colloby SJ, Lloyd J, Petrides G, McKeith IG, Thomas AJ. Neuropsychiatric symptoms and cognitive profile in mild cognitive impairment with Lewy bodies. Psychological Medicine 2018, 48(14), 2384-2390.
• Thomas AJ, Attems J, Colloby SJ, O'Brien JT, McKeith I, Walker R, Lee L, Burn D, Lett DJ, Walker Z. Author response: Autopsy validation of 123 I-FP-CIT dopaminergic neuroimaging for the diagnosis of DLB. Neurology 2017, 89(7), 751-751.
• Thomas AJ, Attems J, Colloby SJ, O'Brien JT, Mckeith I, Walker R, Lee L, Burn D, Lett DJ, Walker Z. Autopsy validation of ¹²³ I-FP-CIT dopaminergic neuroimaging for the diagnosis of DLB. Neurology 2017, 88(3), 276-283.
• Watson R, Colloby SJ, Blamire AM, Wesnes KA, Wood J, O'Brien JT. Does attentional dysfunction and thalamic atrophy predict decline in dementia with Lewy bodies?. Parkinsonism and Related Disorders 2017, 45, 69-74.
• McAleese KE, Walker L, Graham S, Moya ELJ, Johnson M, Erskine D, Colloby SJ, Dey M, Martin-Ruiz C, Taylor J-P, Thomas AJ, McKeith IG, De Carli C, Attems J. Parietal white matter lesions in Alzheimer's disease are associated with cortical neurodegenerative pathology, but not with small vessel disease. Acta Neuropathologica 2017, 134(3), 459-473.
• Colloby SJ, Elder GJ, Rabee R, O'Brien JT, Taylor J-P. Structural grey matter changes in the substantia innominata in Alzheimer's disease and dementia with Lewy bodies: a DARTEL-VBM study. International Journal of Geriatric Psychiatry 2017, 32(6), 615-623.
• Elder GJ, Mactier K, Colloby SJ, Watson R, Blamire AM, O'Brien JT, Taylor J-P. The influence of hippocampal atrophy on the cognitive phenotype of dementia with Lewy bodies. International Journal of Geriatric Psychiatry 2017, 32(11), 1182-1189.
• Colloby SJ, Field RH, Wyper DJ, O'Brien JT, Taylor JP. A spatial covariance ¹²³I-5IA-85380 SPECT study of α4β2 nicotinic receptors in Alzheimer's disease. Neurobiology of Aging 2016, 47, 83-90.
• Firbank MJ, Lloyd JJ, Williams ED, Barber R, Colloby SJ, Barnett NA, Olsen K, Davison C, Donaldson C, Herholz K, O'Brien JT. An evidence based algorithm for the utility of FDG-PET for diagnosing Alzheimer’s disease according to presence of medial temporal lobe atrophy. British Journal of Psychiatry 2016, 208(5), 491-496.
• Colloby SJ, McKeith IG, Burn DJ, Wyper DJ, O'Brien JT, Taylor JP. Cholinergic and perfusion brain networks in Parkinson disease dementia. Neurology 2016, 87(2), 178-185.
• Arnone D, Job D, Selvaraj S, Abe O, Amico F, Cheng YQ, Colloby SJ, O'Brien JT, Frodl T, Gotlib IH, Ham BJ, Kim MJ, Koolschijn PCM, Perico CAM, Salvadore G, Thomas AJ, Van Tol MJ, van der Wee NJA, Veltman DJ, Wagner G, McIntosh AM. Computational meta-analysis of statistical parametric maps in major depression. Human Brain Mapping 2016, 37(4), 1393-1404.
• Elder GJ, Colloby SJ, Lett DJ, O'Brien JT, Anderson KN, Burn DJ, McKeith IG, Taylor JP. Depressive symptoms are associated with daytime sleepiness and subjective sleep quality in dementia with Lewy bodies. International Journal of Geriatric Psychiatry 2016, 31(7), 765-770.
• Blanc F, Colloby SJ, Cretin B, deSousa PL, Demuynck C, O'Brien JT, Martin-Hunyadi C, Philippi N, Taylor JP. Grey matter atrophy in prodromal stage of dementia with Lewy bodies and Alzheimer's disease. Alzheimer's Research & Therapy 2016, 8(1), 31.
• Watson R, Colloby SJ. Imaging in Dementia With Lewy Bodies: An Overview. Journal of Geriatric Psychiatry and Neurology 2016, 29(5), 254-260.
• Firbank MJ, Watson R, Mak E, Aribisala B, Barber R, Colloby SJ, He J, Blamire AM, O'Brien JT. Longitudinal diffusion tensor imaging in dementia with Lewy bodies and Alzheimer’s disease . Parkinsonism and Related Disorders 2016, 24, 76-80.
• Colloby SJ, Cromarty RA, Peraza LR, Johnsen K, Johannesson G, Bonanni L, Onofrj M, Barber R, O'Brien JT, Taylor J-P. Multimodal EEG-MRI in the differential diagnosis of Alzheimer’s disease and dementia with Lewy bodies. Journal of Psychiatric Research 2016, 78, 48-55.
• Peraza LR, Colloby SJ, Deboys L, O'Brien JT, Kaiser M, Taylor JP. Regional functional synchronizations in dementia with Lewy bodies and Alzheimer's disease. International Psychogeriatrics 2016, 28(7), 1143-1151.
• Watson R, Colloby SJ, Blamire AM, O'Brien JT. Subcortical volume changes in dementia with Lewy bodies and Alzheimer's disease. A comparison with healthy aging. International Psychogeriatrics 2016, 28(4), 529-536.
• Mak E, Colloby SJ, Thomas A, O'Brien JT. The segregated connectome of late-life depression: a combined cortical thickness and structural covariance analysis. Neurobiology of Aging 2016, 48, 212-221.
• Watson R, Colloby SJ, Blamire AM, O'Brien JT. Assessment of Regional Gray Matter Loss in Dementia with Lewy Bodies: A Surface-Based MRI Analysis. American Journal of Geriatric Psychiatry 2015, 23(1), 38-46.
• McAleese K, Firbank M, Dey M, Colloby SJ, Walker L, Johnson M, Beverley JR, Taylor JP, Thomas AJ, O'Brien JT, Attems J. Cortical tau load is associated with white matter hyperintensities. Acta Neuropathologica Communications 2015, 3, 60.
• Blanc F, Colloby SJ, Philippi N, de Petigny X, Jung B, Demuynck C, Phillipps C, Anthony P, Thomas A, Bing F, Lamy J, Martin-Hunyadi C, O'Brien JT, Cretin B, McKeith I, Armspach JP, Taylor JP. Cortical Thickness in Dementia with Lewy Bodies and Alzheimer's Disease: A Comparison of Prodromal and Dementia Stages. PLoS ONE 2015, 10(6), e0127396.
• Peraza LR, Colloby S, Firbank M, McKeith I, O'Brien J, Thomas A, Taylor J-P. Dementia with Lewy Bodies and Parkinson’s Disease Dementia Show No differences in Resting State Functional MRI. In: International Dementia with Lewy Bodies Conference 2015. 2015, Ft. Lauderdale, FL, USA: American Journal of Neurodegenerative Disease.
• Cromarty R, Graziadio S, Colloby S, Killen A, Peraza LR, Elder G, Firbank M, Thomas A, McKeith I, O'Brien J, Taylor J-P. Electrophysiological Correlates of Attentional Dysfunction in Dementia with Lewy Bodies. In: International Dementia with Lewy Bodies Conference 2015. 2015, Ft. Lauderdale, FL, USA: American Journal of Neurodegenerative Disease.
• Walker L, McAleese KE, Thomas AJ, Johnson M, Martin-Ruiz C, Parker C, Colloby SJ, Jellinger K, Attems J. Neuropathologically mixed Alzheimer's and Lewy body disease: burden of pathological protein aggregates differs between clinical phenotypes. Acta Neuropathologica 2015, 129(5), 729-748.
• Colloby SJ, McKeith IG, Wyper DJ, O'Brien JT, Taylor JP. Regional covariance of muscarinic acetylcholine receptors in Alzheimer's disease using (R, R) [¹²³I]-QNB SPECT. Journal of Neurology 2015, 262(9), 2144-2153.
• Peraza LR, Colloby SJ, Firbank MJ, Greasy SG, McKeith IG, Kaiser M, O'Brien J, Taylor JP. Resting state in Parkinson’s disease dementia and dementia with Lewy bodies: Commonalities and differences. International Journal of Geriatric Psychiatry 2015, 30(11), 1135-1146.
• O'Donovan J, Watson R, Colloby SJ, Blamire AM, O'Brien JT. Assessment of regional MR diffusion changes in dementia with Lewy bodies and Alzheimer's disease. International Psychogeriatrics 2014, 26(4), 627-635.
• Watson R, Colloby S, Blamire A, Wesnes K, O'Brien J. Does attentional dysfunction predict rapid decline in dementia with Lewy bodies?. In: Australian and New Zealand Society for Geriatric Medicine Annual Scientic Meeting. 2014, Melbourne, Australia: Wiley-Blackwell Publishing Ltd.
• Peraza LR, Kaiser M, Firbank M, Graziadio S, Bonanni L, Onofrj M, Colloby SJ, Blamire A, O'Brien J, Taylor J-P. fMRI resting state networks and their association with cognitive fluctuations in dementia with Lewy bodies. Neuroimage: Clinical 2014, 4, 558-565.
• Colloby SJ, O'Brien JT, Taylor J-P. Patterns of cerebellar volume loss in dementia with Lewy bodies and Alzheimer's disease: A VBM-DARTEL study. Psychiatric Research: Neuroimaging 2014, 223(3), 187-191.
• Attems J, Walker L, Santic R, Upadhaya AR, Colloby S, Thal D, Thomas A, Schneeberger A, Mandler M. Pyroglutamylated Amyloid-beta correlates with Hyperphosphorylated Tau and Severity of Alzheimer's Disease. In: American Association of Neuropathologists, Inc. 90th Annual Meeting. 2014, Portland, OR, USA: Lippincott Williams & Wilkins, Ltd.
• Mandler M, Walker L, Santic R, Hanson P, Upadhaya AR, Colloby SJ, Morris CM, Thal DR, Thomas AJ, Schneeberger A, Attems J. Pyroglutamylated amyloid-β is associated with hyperphosphorylated tau and severity of Alzheimer’s disease. Acta Neuropathologica 2014, 128(1), 67-79.
• Taylor JP, Colloby SJ, McKeith IG, O'Brien JT. Covariant perfusion patterns provide clues to the origin of cognitive fluctuations and attentional dysfunction in Dementia with Lewy bodies. International Psychogeriatrics 2013, 25(12), 1917-1928.
• O'Donovan J, Watson R, Colloby SJ, Firbank MJ, Burton EJ, Barber R, Blamire AM, O'Brien JT. Does posterior cortical atrophy on MRI discriminate between Alzheimer's disease, dementia with Lewy bodies, and normal aging?. International Psychogeriatrics 2013, 25(1), 111-119.
• Colloby SJ, Taylor J-P, Davison CM, Lloyd JJ, Firbank MJ, McKeith IG, O'Brien JT. Multivariate spatial covariance analysis of ^99mTc-exametazime SPECT images in dementia with Lewy bodies and Alzheimer’s disease: utility in differential diagnosis. Journal of Cerebral Blood Flow & Metabolism 2013, 33(4), 612-618.
• Watson R, Blamire AM, Colloby SJ, Wood JS, Barber R, He JB, O'Brien JT. Characterizing dementia with Lewy bodies by means of diffusion tensor imaging. Neurology 2012, 79(9), 906-914.
• Colloby SJ, McParland S, O'Brien JT, Attems J. Neuropathological correlates of dopaminergic imaging in Alzheimer's disease and Lewy body dementias. Brain 2012, 135(9), 2798-808.
• Colloby SJ, Firbank MJ, He JB, Thomas AJ, Vasudev A, Parry SW, O'Brien JT. Regional cerebral blood flow in late-life depression: arterial spin labelling magnetic resonance study. British Journal of Psychiatry 2012, 200(2), 150-155.
• Vasudev A, Saxby BK, O'Brien JT, Colloby SJ, Firbank MJ, Brooker H, Wesnes K, Thomas AJ. Relationship Between Cognition, Magnetic Resonance White Matter Hyperintensities, and Cardiovascular Autonomic Changes in Late-Life Depression. American Journal of Geriatric Psychiatry 2012, 20(8), 691-699.
• Colloby SJ, Firbank MJ, Vasudev A, Parry SW, Thomas AJ, O'Brien JT. Cortical thickness and VBM-DARTEL in late-life depression. Journal of Affective Disorders 2011, 133(1-2), 158-164.
• Quigley H, Colloby SJ, O'Brien JT. PET imaging of brain amyloid in dementia: a review. International Journal of Geriatric Psychiatry 2011, 26(10), 991-999.
• Colloby SJ, Vasudev A, O'Brien JT, Firbank MJ, Parry SW, Thomas AJ. Relationship of orthostatic blood pressure to white matter hyperintensities and subcortical volumes in late-life depression. British Journal of Psychiatry 2011, 199(5), 404-410.
• Colloby SJ, Firbank MJ, Thomas AJ, Vasudev A, Parry SW, O'Brien JT. White matter changes in late-life depression: A diffusion tensor imaging study. Journal of Affective Disorders 2011, 135(1-3), 216-220.
• Colloby SJ, Taylor JP, Firbank MJ, McKeith IG, Williams ED, O'Brien JT. Covariance Tc-99m-Exametazime SPECT Patterns in Alzheimer's Disease and Dementia with Lewy Bodies: Utility in Differential Diagnosis. Journal of Geriatric Psychiatry and Neurology 2010, 23(1), 54-62.
• Colloby SJ, Perry EK, Pakrasi S, Pimlott SL, Wyper DJ, McKeith IG, Williams ED, O'Brien JT. Nicotinic I-123-5IA-85380 Single Photon Emission Computed Tomography as a Predictor of Cognitive Progression in Alzheimer's Disease and Dementia With Lewy Bodies. American Journal of Geriatric Psychiatry 2010, 18(1), 86-90.
• Colloby SJ, Firbank MJ, Pakrasi SE, Lloyd JJ, Driver I, McKeith IG, Williams ED, O'Brien JT. A comparison of Tc-99m-exametazime and I-123-FP-CIT SPECT imaging in the differential diagnosis of Alzheimer's disease and dementia with Lewy bodies. International Psychogeriatrics 2008, 20(6), 1124-1140.
• O'Brien JT, Colloby SJ, Pakrasi S, Perry EK, Pimlott SL, Wyper DJ, McKeith IG, Williams ED. Nicotinic α4β2 receptor binding in dementia with Lewy bodies using 123I-5IA-85380 SPECT demonstrates a link between occipital changes and visual hallucinations. NeuroImage 2008, 40(3), 1056-1063.
• Colloby SJ, Pakrasi S, Perry EK, Pimlott SL, Wyper DJ, Williams ED, McKeith IG, O'Brien JT. The effects of donepezil on nicotinic receptor status in dementia: A ¹²³I-5IA-85380 SPECT study. Journal of Neurology, Neurosurgery and Psychiatry 2008, 79(4), 485-487.
• Taylor JP, Colloby SJ, McKeith IG, Burn DJ, Williams D, Patterson J, O'Brien JT. Cholinesterase inhibitor use does not significantly influence the ability of I-123-FP-CIT imaging to distinguish Alzheimer's disease from dementia with Lewy bodies. Journal of Neurology, Neurosurgery and Psychiatry 2007, 78(10), 1069-1071.
• Pakrasi S, Colloby SJ, Firbank MJ, Perry EK, Wyper DJ, Owens J, McKeith IG, Williams ED, O'Brien JT. Muscarinic acetylcholine receptor status in Alzheimer's disease assessed using (R, R) 123I-QNB SPECT. Journal of Neurology 2007, 254(7), 907-913.
• O'Brien JT, Colloby SJ, Pakrasi S, Perry EK, Pimlott SL, Wyper DJ, McKeith IG, Williams ED. α4β2 nicotinic receptor status in Alzheimer's disease using 123I-5IA-85380 single-photon-emission computed tomography. Journal of Neurology, Neurosurgery and Psychiatry 2007, 78(4), 356-361.
• Colloby SJ, Pakrasi S, Firbank MJ, Perry EK, Piggott MA, Owens J, Wyper DJ, McKeith IG, Burn DJ, Williams ED, O'Brien JT. In vivo SPECT imaging of muscarinic acetylcholine receptors using (R,R) ¹²³I-QNB in dementia with Lewy bodies and Parkinson's disease dementia. NeuroImage 2006, 33(2), 423-429.
• Colloby SJ, Williams ED, Burn DJ, Lloyd JJ, McKeith IG, O'Brien JT. Progression of dopaminergic degeneration in dementia with Lewy bodies and Parkinson's disease with and without dementia assessed using 123I-FP-CIT SPECT. European Journal of Nuclear Medicine and Molecular Imaging 2005, 32(10), 1176-1185.
• O'Brien JT, Colloby S, Fenwick J, Williams D, Firbank M, Burn DJ, McKeith IG. Dopamine transporter loss visualized with FP-CIT SPECT in dementia with Lewy bodies. Archives of Neurology 2004, 61(6), 919-925.
• O'Brien JT, Colloby S, Fenwick J, Williams ED, Firbank M, Burn D, Aarsland D, McKeith IG. Dopamine transporter loss visualized with FP-CIT SPECT in the differential diagnosis of dementia with lewy bodies. Archives of Neurology 2004, 61(6), 919-925.
• Colloby S, O'Brien J. Functional imaging in Parkinson's disease and dementia with Lewy bodies. Journal of Geriatric Psychiatry and Neurology 2004, 17(3), 158-163.
• Colloby SJ, O'Brien JT, Fenwick JD, Firbank MJ, Burn DJ, McKeith IG, Williams ED. The application of statistical parametric mapping to I-123-FP-CIT SPECT in dementia with Lewy bodies, Alzheimer's disease and Parkinson's disease. NeuroImage 2004, 23(3), 956-966.
• Mosimann UP, Felblinger J, Colloby SJ, Muri RM. Verbal instructions and top-down saccade control. Experimental Brain Research 2004, 159(2), 263-267.
• Piggott MA, Owens J, O'Brien J, Colloby S, Fenwick J, Wyper D, Jaros E, Johnson M, Perry RH, Perry EK. Muscarinic receptors in basal ganglia in dementia with Lewy bodies, Parkinson's disease and Alzheimer's disease. Journal of Chemical Neuroanatomy 2003, 25(3), 161-173.
• Firbank MJ, Colloby SJ, Burn DJ, McKeith IG, O'Brien JT. Regional cerebral blood flow in Parkinson's disease with and without dementia. NeuroImage 2003, 20(2), 1309-1319.
• Colloby SJ, Fenwick JD, Williams ED, Paling SM, Lobotesis K, Ballard C, McKeith I, O'Brien JT. A comparison of Tc-99m-HMPAO SPET changes in dementia with Lewy bodies and Alzheimer's disease using statistical parametric mapping. European Journal of Nuclear Medicine and Molecular Imaging 2002, 29(5), 615-622.