BSc(Hons), MBChB, MD, FRACP
Current Role
Clinical Director, New Zealand Brain Research Institute
Publications
Hofer, E., Roshchupkin, G. V., Adams, H. H. H., Knol, M. J., Lin, H., Li, S., … ENIGMA consortium, including Pitcher, T. L., Melzer, T. R., Anderson, T. J., … Seshadri, S. (2020). Genetic correlations and genome-wide associations of cortical structure in general population samples of 22,824 adults. Nature Communications, 11, 4796. doi: 10.1038/s41467-020-18367-y
MacAskill, M. R., Myall, D. J., Shoorangiz, R., Anderson, T. J., & Pitcher, T. L. (2020). Childbirth and delayed parkinson's onset: A reproducible nonbiological artifact of societal change. Movement Disorders, 35(7), 1268-1271. doi: 10.1002/mds.28135
Graham, O. E. E., Pitcher, T. L., Liau, Y., Miller, A. L., Dalrymple-Alford, J. C., Anderson, T. J., & Kennedy, M. A. (2020). Nanopore sequencing of the glucocerebrosidase (GBA) gene in a New Zealand Parkinson's disease cohort. Parkinsonism & Related Disorders, 70, 36-41. doi: 10.1016/j.parkreldis.2019.11.022
Alamri, Y., Dalrymple-Alford, J., MacAskill, M., & Anderson, T. J. (2020). Exploring eye movements of Parkinson's disease patients performing the Judgement of line orientation test. Journal of Clinical Neuroscience, 76, 183-188. doi: 10.1016/j.jocn.2020.04.031
Snell, D. L., Martin, R., Surgenor, L. J., Siegert, R. J., Hay-Smith, E. J. C., Melzer, T. R., Anderson, T. J., & Hooper, G. J. (2020). Wrestling with uncertainty after mild traumatic brain injury: A mixed methods study. Disability & Rehabilitation, 42(14), 1942-1953. doi: 10.1080/09638288.2018.1542461
Journal - Research Article
Hofer, E., Roshchupkin, G. V., Adams, H. H. H., Knol, M. J., Lin, H., Li, S., … ENIGMA consortium, including Pitcher, T. L., Melzer, T. R., Anderson, T. J., … Seshadri, S. (2020). Genetic correlations and genome-wide associations of cortical structure in general population samples of 22,824 adults. Nature Communications, 11, 4796. doi: 10.1038/s41467-020-18367-y
Snell, D. L., Martin, R., Surgenor, L. J., Siegert, R. J., Hay-Smith, E. J. C., Melzer, T. R., Anderson, T. J., & Hooper, G. J. (2020). Wrestling with uncertainty after mild traumatic brain injury: A mixed methods study. Disability & Rehabilitation, 42(14), 1942-1953. doi: 10.1080/09638288.2018.1542461
Alamri, Y., Dalrymple-Alford, J., MacAskill, M., & Anderson, T. J. (2020). Exploring eye movements of Parkinson's disease patients performing the Judgement of line orientation test. Journal of Clinical Neuroscience, 76, 183-188. doi: 10.1016/j.jocn.2020.04.031
Graham, O. E. E., Pitcher, T. L., Liau, Y., Miller, A. L., Dalrymple-Alford, J. C., Anderson, T. J., & Kennedy, M. A. (2020). Nanopore sequencing of the glucocerebrosidase (GBA) gene in a New Zealand Parkinson's disease cohort. Parkinsonism & Related Disorders, 70, 36-41. doi: 10.1016/j.parkreldis.2019.11.022
MacAskill, M. R., Myall, D. J., Shoorangiz, R., Anderson, T. J., & Pitcher, T. L. (2020). Childbirth and delayed parkinson's onset: A reproducible nonbiological artifact of societal change. Movement Disorders, 35(7), 1268-1271. doi: 10.1002/mds.28135
Schierding, W., Farrow, S., Fadason, T., Graham, O. E. E., Pitcher, T. L., Qubisi, S., … Anderson, T. J., Kennedy, M. A., … O'Sullivan, J. M. (2020). Common variants coregulate expression of GBA and modifier genes to delay Parkinson's disease onset. Movement Disorders, 35(8), 1346-1356. doi: 10.1002/mds.28144
Spencer, E. S., Pitcher, T., Veron, G., Hannam, T., MacAskill, M., Anderson, T., Dalrymple-Alford, J., & Carr, A. C. (2020). Positive association of ascorbate and inverse association of urate with cognitive function in people with Parkinson’s disease. Antioxidants, 9(10), 1-13. doi: 10.3390/antiox9100906
Fan, D., Pitcher, T., Dalrymple-Alford, J., MacAskill, M., Anderson, T., & Guan, J. (2020). Changes of plasma cGP/IGF-1 molar ratio with age is associated with cognitive status of Parkinson disease. Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring, 12(1), e12025. doi: 10.1002/dad2.12025
d'Arbeloff, T., Elliott, M. L., Knodt, A. R., Melzer, T. R., Keenan, R., Ireland, D., Ramrakha, S., Poulton, R., Anderson, T., … Hariri, A. R. (2019). White matter hyperintensities are common in midlife and already associated with cognitive decline. Brain Communications, 1(1), fcz041. doi: 10.1093/braincomms/fcz041
Blakemore, R. L., MacAskill, M. R., Myall, D. J., & Anderson, T. J. (2019). Volitional suppression of parkinsonian resting tremor. Movement Disorders Clinical Practice, 6(6), 470-478. doi: 10.1002/mdc3.12801
Zhang, Q., Vallerga, C. L., Walker, R. M., Lin, T., Henders, A. K., Montgomery, G. W., … Kennedy, M., Pitcher, T., Pearson, J., … Anderson, T., … Visscher, P. M. (2019). Improved precision of epigenetic clock estimates across tissues and its implication for biological ageing. Genome Medicine, 11(1), 54. doi: 10.1186/s13073-019-0667-1
Watanabe, M., Okada, K.-I., Hamasaki, Y., Funamoto, M., Kobayashi, Y., MacAskill, M., & Anderson, T. (2019). Ocular drift reflects volitional action preparation. European Journal of Neuroscience, 50, 1892-1910. doi: 10.1111/ejn.14365
Melzer, T. R., Stark, M. R., Keenan, R. J., Myall, D. J., MacAskill, M. R., Pitcher, T. L., Livingston, L., Grenfell, S., Horne, K.-L., … Pascoe, M., Almuqbel, M. M., … Miller, D. H., Dalrymple-Alford, J. C., & Anderson, T. J. (2019). Beta amyloid deposition is not associated with cognitive impairment in Parkinson’s Disease. Frontiers in Neurology, 10, 391. doi: 10.3389/fneur.2019.00391
Reynolds, R. H., Botía, J., Nalls, M. A., International Parkinson's Disease Genomics Consortium (IPDGC), including System Genomics of Parkinson's Disease (SGPD), Anderson, T., … Kennedy, M., Pearson, J., … Ryten, M. (2019). Moving beyond neurons: The role of cell type-specific gene regulation in Parkinson's disease heritability. npj Parkinson's Disease, 5, 6. doi: 10.1038/s41531-019-0076-6
Pitcher, T. L., Myall, D. J., Pearson, J. F., Lacey, C. J., Dalrymple-Alford, J. C., Anderson, T. J., & MacAskill, M. R. (2018). Parkinson's disease across ethnicities: A nationwide study in New Zealand. Movement Disorders, 33(9), 1440-1448. doi: 10.1002/mds.27389
Wu, L., Liu, F.-T., Ge, J.-J., Zhao, J., Tang, Y.-L., Yu, W.-B., … Anderson, T., … Wang, J. (2018). Clinical characteristics of cognitive impairment in patients with Parkinson's disease and its related pattern in 18F-FDG PET imaging. Human Brain Mapping, 39(12), 2652-2662. doi: 10.1002/hbm.24311
Snell, D. L., Martin, R., Macleod, A. D., Surgenor, L. J., Siegert, R. J., Hay-Smith, E. J. C., Melzer, T., Hooper, G. J., & Anderson, T. (2018). Untangling chronic pain and post-concussion symptoms: The significance of depression. Brain Injury, 32(5), 583-592. doi: 10.1080/02699052.2018.1432894
Fan, D., Alamri, Y., Liu, K., MacAskill, M., Harris, P., Brimble, M., … Anderson, T., & Guan, J. (2018). Supplementation of blackcurrant anthocyanins increased cyclic glycine-proline in the cerebrospinal fluid of Parkinson patients: Potential treatment to improve insulin-like growth factor-1 function. Nutrients, 10(6), 714. doi: 10.3390/nu10060714
Blakemore, R. L., MacAskill, M. R., Shoorangiz, R., & Anderson, T. J. (2018). Stress-evoking emotional stimuli exaggerate deficits in motor function in Parkinson's disease. Neuropsychologia, 112, 66-76. doi: 10.1016/j.neuropsychologia.2018.03.006
Pearson, J. F., Alla, S., Clarke, G., Mason, D. F., Anderson, T., Richardson, A., Miller, D. H., … Abernethy, D. A., … Taylor, B. V. (2017). Multiple sclerosis impact on employment and income in New Zealand. Acta Neurologica Scandinavica, 136(3), 223-232. doi: 10.1111/ane.12714
Woodward, Z., Prickett, T. C. R., Espiner, E. A., & Anderson, T. J. (2017). Central and systemic C-type Natriuretic Peptide are both reduced in Parkinson's Disease. Parkinsonism & Related Disorders, 43, 15-19. doi: 10.1016/j.parkreldis.2017.06.019
Macleod, A. D., Jury, M. A., & Anderson, T. (2017). The (palliative) care of Huntington’s disease. Progress in Palliative Care, 25(4), 165-170. doi: 10.1080/09699260.2017.1337608
Myall, D. J., Pitcher, T. L., Pearson, J. F., Dalrymple-Alford, J. C., Anderson, T. J., & MacAskill, M. R. (2017). Parkinson's in the oldest old: Impact on estimates of future disease burden. Parkinsonism & Related Disorders, 42, 78-84. doi: 10.1016/j.parkreldis.2017.06.018
Al-Busaidi, I. S., Anderson, T. J., & Alamri, Y. (2017). Qualitative analysis of Parkinson’s disease information on social media: The case of YouTube™. EPMA Journal, 8(3), 273-277. doi: 10.1007/s13167-017-0113-7
Jones, A. J., Kuijer, R. G., Livingston, L., Myall, D., Horne, K., MacAskill, M., Pitcher, T., … Anderson, T. J., & Dalrymple-Alford, J. C. (2017). Caregiver burden is increased in Parkinson's disease with mild cognitive impairment (PD-MCI). Translational Neurodegeneration, 6, 17. doi: 10.1186/s40035-017-0085-5
Wood, K.-L., Myall, D. J., Livingston, L., Melzer, T. R., Pitcher, T. L., MacAskill, M. R., … Anderson, T. J., & Dalrymple-Alford, J. C. (2016). Different PD-MCI criteria and risk of dementia in Parkinson's disease: A 4-year longitudinal study. npj Parkinson's Disease, 2, 15027. doi: 10.1038/npjparkd.2015.27
Snell, D. L., MacLeod, S. A. D., & Anderson, T. (2016). Post-concussion syndrome after a mild traumatic brain injury: A minefield for clinical practice. Journal of Behavioral & Brain Science, 6(6), 227-232. doi: 10.4236/jbbs.2016.66023
Almuqbel, M., Melzer, T. R., Myall, D. J., MacAskill, M. R., Pitcher, T. L., Livingston, L., Wood, K.-L., Keenan, R. J., Dalrymple-Alford, J. C., & Anderson, T. J. (2016). Metabolite ratios in the posterior cingulate cortex do not track cognitive decline in Parkinson’s disease in a clinical setting. Parkinsonism & Related Disorders, 22, 54-61. doi: 10.1016/j.parkreldis.2015.11.008
MacAskill, M. R., & Anderson, T. J. (2016). Eye movements in neurodegenerative diseases. Current Opinion in Neurology, 29(1), 61-68. doi: 10.1097/wco.0000000000000274
Mace, J. L., Porter, R. J., Dalrymple-Alford, J. C., Collins, C., & Anderson, T. J. (2016). Acute tryptophan depletion and Lewy body dementias. International Psychogeriatrics, 28(9), 1487-1491. doi: 10.1017/s1041610216000284
Schluter, P. J., Ahuriri-Driscoll, A., Anderson, T. J., Beere, P., Brown, J., Dalrymple-Alford, J., … Gillon, D. A., … Keeling, S., … Lacey, C., … Millar, N., Mor, V., & Jamieson, H. A. (2016). Comprehensive clinical assessment of home-based older persons within New Zealand: An epidemiological profile of a national cross-section. Australian & New Zealand Journal of Public Health, 40(4), 349-355. doi: 10.1111/1753-6405.12525
Wilcox, R., Brænne, I., Brüggemann, N., Winkler, S., Wiegers, K., Bertram, L., Anderson, T., & Lohmann, K. (2015). Genome sequencing identifies a novel mutation in ATP1A3 in a family with dystonia in females only. Journal of Neurology, 262(1), 187-193. doi: 10.1007/s00415-014-7547-9
Melzer, T. R., Myall, D. J., MacAskill, M. R., Pitcher, T. L., Livingston, L., Watts, R., Keenan, R. J., Dalrymple-Alford, J. C., & Anderson, T. J. (2015). Tracking Parkinson's disease over one year with multimodal magnetic resonance imaging in a group of older patients with moderate disease. PLoS ONE, 10(12), e0143923. doi: 10.1371/journal.pone.0143923
Martin, T., Weatherall, M., Anderson, T. J., & MacAskill, M. R. (2015). A randomized controlled feasibility trial of a specific cueing program for falls management in persons with Parkinson disease and freezing of gait. Journal of Neurologic Physical Therapy, 39, 179-184. doi: 10.1097/npt.0000000000000093
Alamri, Y., MacAskill, M., Anderson, T., & Benamer, H. (2015). Parkinson's disease in the Gulf countries: An updated review. European Neurology, 74(3-4), 222-225. doi: 10.1159/000442283
Luckey, A. M., Anderson, T., Silverman, M. H., & Webster, G. (2015). Safety, tolerability and pharmacodynamics of a novel immunomodulator, MIS416, in patients with chronic progressive multiple sclerosis. Multiple Sclerosis Journal: Experimental Translational Clinical. doi: 10.1177/2055217315583385
Pitcher, T. L., MacAskill, M. R., & Anderson, T. J. (2014). Trends in antiparkinsonian medication use in New Zealand: 1995-2011. Parkinson's Disease, 2014, 379431. doi: 10.1155/2014/379431
Espiner, E. A., Dalrymple-Alford, J. C., Prickett, T. C. R., Alamri, Y., & Anderson, T. J. (2014). C-type natriuretic peptide in Parkinson's disease: Reduced secretion and response to deprenyl. Journal of Neural Transmission, 121(4), 371-378. doi: 10.1007/s00702-013-1123-9
McAuliffe, M. J., Kerr, S. E., Gibson, E. M. R., Anderson, T., & LaShell, P. J. (2014). Cognitive—perceptual examination of remediation approaches to hypokinetic dysarthria. Journal of Speech, Language, and Hearing Research, 57, 1268-1283. doi: 10.1044/2014_JSLHR-S-12-0349
Le Heron, C. J., Wright, S. L., Melzer, T. R., Myall, D. J., MacAskill, M. R., Livingston, L., Keenan, R. J., … Dalrymple-Alford, J. C., & Anderson, T. J. (2014). Comparing cerebral perfusion in Alzheimer's disease and Parkinson's disease dementia: An ASL-MRI study. Journal of Cerebral Blood Flow & Metabolism, 34, 964-970. doi: 10.1038/jcbfm.2014.40
Baylor, C., McAuliffe, M. J., Hughes, L. E., Yorkston, K., Anderson, T., Kim, J., & Amtmann, D. (2014). A Differential Item Functioning (DIF) analysis of the Communicative Participation Item Bank (CPIB): Comparing individuals with Parkinson's disease from the United States and New Zealand. Journal of Speech, Language, and Hearing Research, 57, 90-95. doi: 10.1044/1092-4388(2013/12-0414)
Wu, T. Y., Taylor, J. M., Kilfoyle, D. H., Smith, A. D., McGuinness, B. J., Simpson, M. P., … Anderson, T. J., … Cutfield, N. J., … Roxburgh, R. H. (2014). Autonomic dysfunction is a major feature of cerebellar ataxia, neuropathy, vestibular areflexia 'CANVAS' syndrome. Brain, 137(10), 2649-2656. doi: 10.1093/brain/awu196
Toh, E. A., MacAskill, M. R., Dalrymple-Alford, J. C., Myall, D. J., Livingston, L., Macleod, S. A. D., & Anderson, T. J. (2014). Comparison of cognitive and UHDRS measures in monitoring disease progression in Huntington's disease: A 12-month longitudinal study. Translational Neurodegeneration, 3, 15. doi: 10.1186/2047-9158-3-15
MacAskill, M. R., & Anderson, T. J. (2013). Whose name is it anyway? Varying patterns of possessive usage in eponymous neurodegenerative diseases. PeerJ, 1, e67. doi: 10.7717/peerj.67
Nakas, C. T., Dalrymple-Alford, J. C., Anderson, T. J., & Alonzo, T. A. (2013). Generalization of Youden index for multiple-class classification problems applied to the assessment of externally validated cognition in Parkinson disease screening. Statistics in Medicine, 32(6), 995-1003. doi: 10.1002/sim.5592
Melzer, T. R., Watts, R., MacAskill, M. R., Pitcher, T. L., Livingston, L., Keenan, R. J., Dalrymple-Alford, J. C., & Anderson, T. J. (2013). White matter microstructure deteriorates across cognitive stages in Parkinson disease. Neurology, 80(8), 1841-1849. doi: 10.1212/WNL.0b013e3182929f62
Anderson, T. J., & MacAskill, M. R. (2013). Eye movements in patients with neurodegenerative disorders. Nature Reviews Neurology, 9, 74-85. doi: 10.1038/nrneurol.2012.273
van Stockum, S., MacAskill, M. R., Myall, D., & Anderson, T. J. (2013). A perceptual discrimination task results in greater facilitation of voluntary saccades in Parkinson's disease patients. European Journal of Neuroscience, 37(1), 163-172. doi: 10.1111/ejn.12033
Leow, L. P., Beckert, L., Anderson, T., & Huckabee, M.-L. (2012). Changes in chemosensitivity and mechanosensitivity in aging and Parkinson's disease. Dysphagia, 27(1), 106-114. doi: 10.1007/s00455-011-9347-z
Pitcher, T. L., Melzer, T. R., MacAskill, M. R., Graham, C. F., Livingston, L., Keenan, R. J., … Dalrymple-Alford, J. C., & Anderson, T. J. (2012). Reduced striatal volumes in Parkinson's disease: A magnetic resonance imaging study. Translational Neurodegeneration, 1(1), 17. doi: 10.1186/2047-9158-1-17