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Otago Medical School staff profiles

Dr Michael MacAskill

PositionSenior Research Fellow
DepartmentDepartment of Medicine (UOC)
QualificationsBSc (Hons) PhD (Otago)
Research summaryNeurological disease

Research

I am the Research Director at the NZ Brain Research Institute. My training is in experimental psychology and my personal research interests lie mainly in the effects of neurological disease upon the control of fast eye movements (saccades). This has been extended to involve studies of the coordination of hand and eye movement in both lab-based and more natural tasks. I've also become involved in projects using structural and functional MR brain imaging to investigate Parkinson’s and Alzheimer’s diseases.

Publications

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

MacAskill, M. R., Graham, C. F., Pitcher, T. L., Myall, D. J., Livingston, L., van Stockum, S., Dalrymple-Alford, J. C., & Anderson, T. J. (2012). The influence of motor and cognitive impairment upon visually-guided saccades in Parkinson's disease. Neuropsychologia, 50(14), 3338-3347. doi: 10.1016/j.neuropsychologia.2012.09.025

Dalrymple-Alford, J. C., MacAskill, M. R., Nakas, C. T., Livingston, L., Graham, C., Crucian, G. P., Melzer, T. R., … Keenan, R., Wells, S., Porter, R. J., … Anderson, T. J. (2010). The MoCA: Well-suited screen for cognitive impairment in Parkinson disease. Neurology, 75(19), 1717-1725. doi: 10.1212/WNL.0b013e3181fc29c9

MacAskill, M., Anderson, T. J., & Jones, R. D. (2002). Adaptive modification of saccade amplitude in Parkinson's disease. Brain, 125, 1570-1582.

Melzer, T. R., Watts, R., MacAskill, M. R., Pearson, J. F., Rüeger, S., Pitcher, T. L., Livingston, L., Graham, C., Keenan, R., … Dalrymple-Alford, J. C., & Anderson, T. J. (2011). Arterial spin labelling reveals an abnormal cerebral perfusion pattern in Parkinson's disease. Brain, 134(3), 845-855. doi: 10.1093/brain/awq377

Journal - Research Article

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

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

Watanabe, M., Matsuo, Y., Zha, L., MacAskill, M. R., & Kobayashi, Y. (2014). Fixational saccades alter the gap effect. European Journal of Neuroscience, 39, 2098-2106. doi: 10.1111/ejn.12566

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

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

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

van Stockum, S., MacAskill, M. R., & Anderson, T. J. (2012). Impairment of voluntary saccades and facilitation of reflexive saccades do not co-occur in Parkinson's disease. Journal of Clinical Neuroscience, 19(8), 1119-1124. doi: 10.1016/j.jocn.2011.10.014

Melzer, T. R., Watts, R., MacAskill, M. R., Pitcher, T. L., Livingston, L., Keenan, R. J., Dalrymple-Alford, J. C., & Anderson, T. J. (2012). Grey matter atrophy in cognitively impaired Parkinson's disease. Journal of Neurology, Neurosurgery & Psychiatry, 83, 188-194. doi: 10.1136/jnnp-2011-300828

MacAskill, M. R., Graham, C. F., Pitcher, T. L., Myall, D. J., Livingston, L., van Stockum, S., Dalrymple-Alford, J. C., & Anderson, T. J. (2012). The influence of motor and cognitive impairment upon visually-guided saccades in Parkinson's disease. Neuropsychologia, 50(14), 3338-3347. doi: 10.1016/j.neuropsychologia.2012.09.025

van Stockum, S., MacAskill, M. R., & Anderson, T. J. (2011). Bottom-up effects modulate saccadic latencies in well-known eye movement paradigm. Psychological Research, 75(4), 272-278. doi: 10.1007/s00426-010-0305-4

van Stockum, S., MacAskill, M. R., Myall, D., & Anderson, T. J. (2011). A perceptual discrimination task abnormally facilitates reflexive saccades in Parkinson's disease. European Journal of Neuroscience, 33(11), 2091-2100. doi: 10.1111/j.1460-9568.2011.07697.x

Dalrymple-Alford, J. C., Livingston, L., MacAskill, M. R., Graham, C., Melzer, T. R., Porter, R. J., … Anderson, T. J. (2011). Characterizing mild cognitive impairment in Parkinson's disease. Movement Disorders, 26(4), 629-636. doi: 10.1002/mds.23592

Melzer, T. R., Watts, R., MacAskill, M. R., Pearson, J. F., Rüeger, S., Pitcher, T. L., Livingston, L., Graham, C., Keenan, R., … Dalrymple-Alford, J. C., & Anderson, T. J. (2011). Arterial spin labelling reveals an abnormal cerebral perfusion pattern in Parkinson's disease. Brain, 134(3), 845-855. doi: 10.1093/brain/awq377

Dalrymple-Alford, J. C., MacAskill, M. R., Nakas, C. T., Livingston, L., Graham, C., Crucian, G. P., Melzer, T. R., … Keenan, R., Wells, S., Porter, R. J., … Anderson, T. J. (2010). The MoCA: Well-suited screen for cognitive impairment in Parkinson disease. Neurology, 75(19), 1717-1725. doi: 10.1212/WNL.0b013e3181fc29c9

Webb, A., Knott, A., & MacAskill, M. R. (2010). Eye movements during transitive action observation have sequential structure. Acta Psychologica, 133, 51-56. doi: 10.1016/j.actpsy.2009.09.001

van Stockum, S., MacAskill, M., Anderson, T., & Dalrymple-Alford, J. (2008). Don't look now or look away: Two sources of saccadic disinhibition in Parkinson's disease? Neuropsychologia, 46(13), 3108-3115. doi: 10.1016/j.neuropsychologia.2008.07.002

Myall, D. J., MacAskill, M. R., Davidson, P. R., Anderson, T. J., & Jones, R. D. (2008). Design of a modular and low-latency virtual-environment platform for applications in motor adaptation research, neurological disorders, and neurorehabilitation. IEEE Transactions on Neural Systems & Rehabilitation Engineering, 16(3), 298-309. doi: 10.1109/TNSRE.2008.922676

Le Heron, C. J., MacAskill, M. R., & Anderson, T. J. (2005). Memory-guided saccades in Parkinson's disease: Long delays can improve performance. Experimental Brain Research, 161, 293-298.

Heitger, M. H., MacAskill, M. R., Jones, R. D., & Anderson, T. J. (2005). The impact of mild closed head injury on involuntary saccadic adaptation: Evidence for the preservation of implicit motor learning. Brain Injury, 19(2), 109-117.

MacAskill, M. R., Jones, R. D., & Anderson, T. J. (2003). Saccadic suppression of displacement: Effects of illumination and background manipulation. Perception, 32, 463-474.

Muir, S. R., MacAskill, M. R., Herron, D., Goelz, H., Anderson, T. J., & Jones, R. D. (2003). EMMA - an eye movement measurement and analysis system. Australasian Physical & Engineering Sciences in Medicine, 26(1), 18-24.

MacAskill, M. R., Anderson, T. J., & Jones, R. D. (2002). Saccadic adaptation in neurological disorders. Progress in Brain Research, 140, 419-433. Oxford: Elsevier Science.

MacAskill, M., Anderson, T. J., & Jones, R. D. (2002). Adaptive modification of saccade amplitude in Parkinson's disease. Brain, 125, 1570-1582.

MacAskill, M. R., Anderson, T. J., & Jones, R. D. (2000). Suppression of displacement in severely slowed saccades. Vision Research, 40, 3405-3413.

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Journal - Research Other

MacAskill, M. R., Myall, D. J., & Anderson, T. J. (2013). “Ocular Tremor” in Parkinson's disease: A technology-dependent artifact of universal head motion? Movement Disorders, 28(8), 1165-1166. doi: 10.1002/mds.25602

MacAskill, M. R., Koga, K., & Anderson, T. J. (2011). Japanese street performer mimes violation of Hering's Law. Neurology, 76, 1186-1187.

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