Apathy and Impulsivity
We study how people make decisions and how motivation affects decision-making. We also investigate how motivation and decision-making are disrupted in brain disorders such as Alzheimer's disease, Parkinson's disease, stroke and vascular dementia.
Our research focuses on:
- Apathy or lack of motivation
- Impulsivity and risky decision-making
We're trying to understand the mechanisms underlying motivation and decision-making in healthy people and in patient groups. We're also performing research into treatments for disorders of motivation and decision-making.
If you want to get involved or find out more about our research at Oxford University and the John Radcliffe Hospital, write to:
Professor Masud Husain, Nuffield Dept Clinical Neurosciences, Level 6, West Wing, John Radcliffe Hospital, Oxford OX3 9DU
You can also find out more about our research by downloading the articles below.
PUBLICATIONS LISTED HERE ARE AVAILABLE FOR PERSONAL USE ONLY
Chong T T-J, Bonnelle V, Husain M (2016) Quantifying motivation with effort-based decision-making paradigms in health and disease. Progress in Brain Res 229:71-100
Chong T T-J, Husain M (2016) The role of dopamine in the pathophysiology and treatment of apathy. Progress in Brain Res 229: 389-426
Muhammed K, Husain M (2016) Clinical significance of apathy in Parkinson's disease. European Medical Journal 4: 56-63.
Sinha N, Manohar S, Husain M (2013) Impulsivity and apathy in Parkinson's disease. Journal of Neuropsychology. PMID:23621377
Norbury A, Husain M (2015) Sensation-seeking: Dopaminergic modulation and risk for psychopathology. Behavioural Brain Research 288:79-93 (Epub ahead of print) PMID: 25907745
Manohar SG, Finzi RD, Drew D, Husain M (2017) Distinct motivational effects of contingent and noncontingent rewards. Psychol Sci (Epub ahead of print).
Ang YS, Lockwood P, Apps MA, Muhammed K, Husain M (2017) Distinct subtypes of apathy revealed by the Apathy Motivation Index. PLoS One 12:e0169938. PMID: 28076387
Norbury A, Valton V, Rees G, Roiser JP, Husain M (2016) Shared neural mechanisms for evaluation of intense sensory stimulation and economic reward, dependent on stimulation-seeking behavior. Journal of Neuroscience 36: 10026-38. PMID: 27683900
Muhammed K, Manohar S, Ben Yehuda M, Chong T-J, Tofaris G, Lennox G, Bogdanovic M, Hu M, Husain M (2016) Reward sensitivity deficits modulated by dopamine are associated with apathy in Parkinson's disease. Brain 139: 2706-21. PMID: 27452600.
Manohar SG, Husain M (2016) Human ventromedial prefrontal lesions alter incentivisation by reward. Cortex 76: 104-20 PMID: 26874940.
Manohar SG, Husain M (2015) Reduced pupillary reward sensitivity in Parkinson's disease. Nature Partner Journals Parkinson's Disease 1, 15026.
Apps MAJ, Grima LL, Manohar S, Husain M (2015) The role of cognitive effort in subjective devaluation and risky decision-making. Scientific Reports 5, 16880. PMID: 26586084
Bonnelle V, Manohar S, Behrens T, Husain M (2015) Individual differences in premotor brain systems underlie behavioural apathy. Cerebral Cortex (Epub ahead of print) PMID: 26564255.
Hollocks MJ, Lawrence AJ, Brookes RL, Barrick TR, Morris RG, Husain M, Markus HS (2015) Differential relationships between apathy and depression with white matter microstructure changes and functional outcomes. Brain (Epub ahead of print) PMID: 26490330.
Manohar SG, Chong TTJ, Apps MAJ, Batla A, Stamelou M, Jarman PR, Bhatia KP, Husain M (2015) Reward pays the cost of noise reduction in motor and cognitive control. Current Biology (Epub ahead of print) PMID: 26096975.
Chong TTJ, Bonnelle V, Manohar S, Veromann K, Muhammed K, Tofaris GK, Hu M, Husain M (2015) Dopamine enhances willingness to exert effort for reward in Parkinson’s disease. Cortex (Epub ahead of print) PMID:
Norbury A, Kurth-Nelson Z, Winston JS, Roiser JP, Husain M (2015) Dopamine regulates approach-avoidance in human sensation-seeking. Internatial Journal of Neuropsychopharmacology (Epub ahead of print) PMID: 25857822.
Roberts RE, Husain M. (2015) A dissociation between stopping and switching actions following a lesion of the pre-supplementary motor area. Cortex 63, 184-195. PMID:25282056
Zokaei N, McNeill A, Proukakis C, Beavan M, Jarman P, Korlipara P, Hughes D, Mehta A, Hu MTM, Schapira AHV, Husain M. (2014) Visual short-term memory deficits associated with GBA mutation and Parkinson’s disease. Brain 137: 2303-2311. PMID:24919969
Norbury A, Manohar S, Rogers RD, Husain M. (2013) Dopamine modulates risk-taking as a function of baseline sensation-seeking trait. The Journal of Neuroscience 33:12982-12986. PMID:23926253
Bunzeck N, Singh-Curry V, Eckart C, Weiskopf N, Perry RJ, Bain PG, Düzel E, Husain M. (2013) Motor phenotype and magnetic resonance measures of basal ganglia iron levels in Parkinson's disease. Parkinsonism & Related disorders 19: 1136-1142. PMID:24025315
Adam R, Leff A, Sinha N, Turner C, Bays PM, Draganski B, Husain M. (2012) Dopamine reverses reward insensitivity in apathy following globus pallidus lesions. Cortex 49(5):1292-303. PMID:22721958 PMC3639369