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Dr Richard Morris

BA/BSc UNSW, MSc USyd, PhD UNSW.

Richard Morris

Associate Investigator

Contact Details

email : rwmorris@unsw.edu.au
ORCID : http://orcid.org/0000-0002-5018-1239

External Address

Faculty of Science
The University of New South Wales

Profile

My research models and tests prediction-error learning and the neural circuits in schizophrenia, as well as value-based decision-making in healthy adults.

Awards

  • Brain Sciences UNSW Symposium Best Poster Award (2011), Morris, R.W., Sparks, A., Mitchell, P., Weickert, C.S., & Green, M.J.

Recent Grants Awarded

  • NHMRC Project Grant [APP1069487] (2014 - 2017) "Prediction error processing in schizophrenia." Le Pelley, M.E., Morris, R., Green, M., Whitford, T., & Killcross, A.S. ($243,447)
  • SyReNS Sydney Neuroscience Network Project Grant (2013) "Identifying common neuropathology associated with cognitive dysfunction in mental illness and drug abuse." Morris, R.W., Haber, P., Harris, A., Grieve, S., Corbit, L., Christie, M., & Krill, J. ($12,000)
  • Brain & Behavioral Research Foundation National Alliance for Research on Schizophrenia and Depression (NARSAD) Young Investigator Award (2012) "Testing the neural correlates of motivational deficits in schizophrenia." Morris, R.W. ($30,000)
  • Schizophrenia Research Institute Grant-in-aid (2012) "Determining the consequences of ventral striatum dysfunction in schizophrenia." Morris, R.W., Green, M.J., & Balleine, B. ($4,000)

Selected Publications

Periodicals

  • Haselgrove, M., Le Pelley, M.E., Singh, N.K., Teow, H.Q., Morris, R.W., Green, M.J., Griffiths, O., & Killcross, S. (2016). Disrupted attentional learning in high schizotypy: Evidence of aberrant salience. British Journal of Psychology, 107, 601-624. doi:10.1111/bjop.12175
  • Quail, S.L., Morris, R.W., & Balleine, B.W. (2016). Stress associated changes in Pavlovian-instrumental transfer in humans. The Quarterly Journal of Experimental Psychology, 70(4), 675-685. doi:10.1080/17470218.2016.1149198
  • Balleine, B.W., Morris, R.W., & Leung, B.K. (2015). Thalamocortical integration of instrumental learning and performance and their disintegration in addiction. Brain Research, 1628(Part A), 104-116. doi:10.1016/j.brainres.2014.12.023
  • Morris, R.W., Purves-Tyson, T.D., Weickert, C.S., Rothmond, D., Lenroot, R., & Weickert, T.W. (2015). Testosterone and reward prediction-errors in healthy men and men with schizophrenia. Schizophrenia Research, 168(3), 649-660.
  • Morris, R.W., Quail, S., Griffiths, K.R., Green, M.J., & Balleine, B.W. (2015). Corticostriatal control of goal-directed action is impaired in schizophrenia. Biological Psychiatry, 77(2), 187-195. doi://10.1016/j.biopsych.2014.06.005
  • Griffiths, K.R., Morris, R.W., & Balleine, B.W. (2014). Translational studies of goal-directed action as a framework for classifying deficits across psychiatric disorders. Frontiers in Systems Neuroscience, 8, 101. doi://10.3389/fnsys.2014.00101
  • Morris, R.W., Dezfouli, A., Griffiths, K.R., & Balleine, B.W. (2014). Action-value comparisons in the dorsolateral prefrontal cortex control choice between goal-directed actions. Nature Communications, 5, 4390. doi:10.1038/ncomms5390
  • Morris, R., Griffiths, O., Le Pelley, M.E., & Weickert, T.W. (2013). Attention to irrelevant cues is related to positive symptoms in schizophrenia. Schizophrenia Bulletin, 39(3), 575-582. doi:10.1093/schbul/sbr192
  • Quide, Y., Morris, R.W., Shepherd, A.M., Rowland, J.E., & Green, M.J. (2013). Task-related fronto-striatal connectivity during working memory performance in schizophrenia. Schizophrenia Research, 150(2-3), 468-475. doi:10.1016/j.schres.2013.08.009
  • Morris, R., Sparks, A., Mitchell, P., Weickert, C.S., & Green, M.J. (2012). Cortico-limbic decoupling during emotion regulation in bipolar disorder and schizophrenia. Translational Psychiatry, 2, e90.
  • Morris, R.W., Sparks, A., Mitchell, P., Weickert, C.S., & Green, M.J. (2012). Lack of cortico-limbic coupling in bipolar disorder and schizophrenia during emotion regulation. Translational Psychiatry, 2, e90. doi:10.1038/tp.2012.16
  • Morris, R.W., Vercammen, A., Lenroot, R., Langton, J.M., Short, B., Kulkarni, J., Weickert, C.S., & Weickert, T.W. (2012). Disambiguating ventral striatum fMRI-related BOLD signal during reward prediction in schizophrenia. Molecular Psychiatry, 17, 280-289. doi:10.1038/mp.2011.75
  • Vercammen, A., Morris, R.W., Green, M.J, Lenroot, R., Kulkarni, J., Carr, V.J., Weickert, C.S., & Weickert, T.W. (2012). Reduced neural activity of the prefrontal cognitive control circuitry during response inhibition to negative words in people with schizophrenia. Journal of Psychiatry and Neuroscience, 37(6), 379-388.

Published Abstracts

  • Perkes, I.E., Quail, S., Morris, R., Hazell, P., & Balleine, B. (2016). fMRI correlates of action selection in adolescents with obsessive-compulsive disorder [Abstract]. Biological Psychiatry, 79(9), 22S. doi:10.1016/j.biopsych.2016.03.1748
  • Morris, R.W., Dezfouli, A., Griffiths, K., & Balleine, B. (2015). Contingency degradation in humans: the effect of outcome identity [Abstract]. Frontiers in Human Neuroscience Conference Abstract: XII International Conference on Cognitive Neuroscience (ICON-XII). doi:10.3389/conf.fnhum.2015.217.00298
  • Green, M.J., Quide, Y., Shepherd, A., Morris, R., Rowland, J., Mitchell, P., & Carr, V.J. (2014). Shared brain dysfunction among subtypes of schizophrenia and bipolar disorder defined by poor working memory [Abstract]. Schizophrenia Research, 153(Suppl. 1), S195–S196.
  • Shepherd, A.M., Quide, Y., Morris, R.W., Vella, N.C., Rowland, J.E., Hamilton, M.K., Mitchell, P.M., & Green, M.J. (2013). Greater reduction in grey matter volume in a cognitive deficit subtype of schizophrenia [Abstract]. European Archives of Psychiatry and Clinical Neuroscience, 263(Suppl. 1), S66.
  • Shepherd, A.M., Quide, Y., Morris, R.W., Vella, N.C., Rowland,J.E., Hamilton, M.K., Mitchell, P.M., & Green, M.J. (2013). Grey matter volume differentiates psychosis patients according to cognitive ability [Abstract]. Biological Psychiatry, 739(Suppl. 1), 208S.
  • Morris, R.W., Sparks, A., Mitchell, P.B., Weickert, C.S., & Green, M.J. (2012). The effect of emotion regulation on cortico-limbic coupling in bipolar disorder and schizophrenia [Abstract]. Bipolar Disorders, 14(Suppl. 1), 41.
  • Morris, R., Bonch-Osmolovsky, M., Sparks, A., Lino, B.J., O’Donnell, M., Mitchell, P.B., Weickert, C.S., Weickert, T.W., & Green, M.J. (2011). Dysregulated affect in schizophrenia and bipolar disorder [Abstract]. Biological Psychiatry, 69(Suppl. 9), 232S.

Conference Presentations, Colloquia, and other presentations

  • Quail, S., Morris, R., & Balleine, B. (2017, April). Neural correlates of excitatory and inhibitory specific Pavlovian-instrumental transfer in humans. Paper presented at the 44th Annual Conference of Australasian Society of Experimental Psychology (EPC17), Shoal Bay.
  • Morris, R. (2016, September). Invited speaker. Invited presentation given at the Royal North Shore Hospital Grand Rounds in Psychiatry, Sydney.
  • Morris, R. (2016, June). Invited speaker. Invited presentation given at the Professional development program for Justice Health & Forensic Mental Health NSW, Sydney.
  • Perkes, I.E., Quail, S., Morris, R., Hazell, P., & Balleine, B. (2016, May). fMRI correlates of action selection in adolescents with obsessive-compulsive disorder. Paper presented at the 71st Annual Meeting of the Society of Biological Psychiatry, Atlanta, USA.
  • Morris, R.W. (2015, October). Competition for predictive value in goal-directed learning. Paper presented at the Annual Meeting of the Society for Neuroscience (SFN), Chicago, USA.
  • Morris, R.W., & Callaghan, S. (2014, October). Diseased preferences: The implications for legal capacity. Paper presented at the Australasian Association of Bioethics and Healthy Law Conference, Perth.
  • Morris, R.W., Dezfouli, A., Griffiths, K.R., & Balleine, B.W. (2014, September). Contingency degradation in humans: The effect of outcome entropy. Paper presented at the Inter-University Neuroscience and Mental Health Conference, Sydney.
  • Morris, R. (2014, August). Goal-directed action in schizophrenia: Integrating belief with desire. Paper presented at the ARC Centre of Excellence in Cognition and its Disorders Annual Workshop, Macquarie University, Sydney.
  • Griffiths, O., Morris, R.W., Green, M.J., Teow, T., Killcross, A.S, & Le Pelley, M.E. (2014, July). Impaired conditional task performance in schizophrenia: A novel deficit in contextual processing. Paper presented at the Australian Learning Group Mid-Year Conference, Katoomba.
  • Morris, R.W., Dezfouli, A., Griffiths, K., & Balleine, B. (2014, July). The value of causal learning in humans. Poster session presented at the 12th International Conference on Cognitive Neuroscience (ICON), Brisbane.
  • Morris, R.W., Dezfouli, A., Griffiths, K., & Balleine, B. (2014, July). The value of causal learning in humans. Paper presented at the Australian Learning Group Mid-Year Conference, Katoomba.
  • Morris, R.W., Dezfouli, A., Griffiths, K., & Balleine, B. (2013, November). Action-based decision-making in the human brain. Paper presented at the 43rd Annual Meeting of the Society for Neurosciences, San Diego, USA.
  • Green, M.J., Quide, Y., Shepherd, A., Morris, R.W., Rowland, J., Mitchell, P.B., & Carr, V.J. (2013, September). Shared brain phenotypes for working memory dysfunction in schizophrenia and bipolar disorder. Paper presented at the 4th European Congress on Schizophrenia Research, Berlin, Germany.
  • Morris, R.W., Dezfouli, A., Griffiths, K., & Balleine, B. (2013, July). Action-based decision-making in the human brain. Paper presented at the Australian Learning Group Winter Workshop, Hunter Valley.
  • Morris, R.W., Quail, S., & Balleine, B. (2013, May). Reward learning and decision-making in schizophrenia. Invited paper presented at the Australasian Schizophrenia Conference: Cognition Workshop, Melbourne.
  • Kyaw, M., Moore, L., Vercammen, A., Morris, R.W., Weickert, C.S., & Weickert, T.W. (2013, April). Testosterone influences cognition and brain activity in men with schizophrenia. Poster session presented at the 14th International Congress on Schizophrenia Research, Florida, USA.
  • Weickert, C.S., Vercammen, A., Morris, R.W., & Rothmond, D. (2013, April). Dopamine D2 receptor in fronto-striatal pathology in schizophrenia: A “short” story. Paper presented at the 14th International Congress on Schizophrenia Research, Florida, USA.
  • Green, M.J., Quidé, Y., Shepherd, A.M., Morris, R.W., Vella, N.C., Rowland, J.E., & Mitchell, P.B. (2012, December). Working memory performance-elicited insular activity as a shared neurocognitive marker of psychotic illness. Presentation given at the Australasian Society for Psychiatric Research annual meeting, Fremantle.
  • Morris, R.W., Dezfouli, A., Griffiths, K., & Balleine, B. (2012, December). Action-based decision-making in the human brain. Paper presented at the Australian Learning Group Annual Conference, Sydney.
  • Shepherd, A.M., Quidé, Y., Morris, R.W., Vella, N.C., Rowland, J.E., Hamilton, M.K., & Green, M.J. (2012, December). Working memory performance as an index of grey matter volume in schizophrenia & bipolar disorder. Presentation given at the Australasian Society for Psychiatric Research annual meeting, Fremantle.
  • Morris, R.W., Sparks, A., Mitchell, P., Weickert, C.S., & Green, M.J. (2011, September). Cortico- limbic decoupling during emotion regulation in bipolar disorder and schizophrenia. Poster session presented at the University of New South Wales Brain Sciences, Sydney.
  • Green, M.J., Morris, R.W., Bonch-Osmolovskiy, M., Sparks, A., Lino, B.J., O’Donnell, M., Mitchell, P., Weickert, C.S., & Weickert, T.W. (2011, May). Dysregulated affect in schizophrenia and bipolar disorder. Poster session presented at the 66th Annual Meeting of Biological Psychiatry, San Fransisco, USA.

Further Information

Contact Details

Telephone: +61 2 9850 4127
Email : ccd@mq.edu.au
Web : www.ccd.edu.au

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