Marc Guitart-Masip

Summary

Affiliation: University College London
Country: UK

Publications

  1. pmc Synchronization of medial temporal lobe and prefrontal rhythms in human decision making
    Marc Guitart-Masip
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
    J Neurosci 33:442-51. 2013
  2. pmc Go and no-go learning in reward and punishment: interactions between affect and effect
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London, W1CN 4AR, UK
    Neuroimage 62:154-66. 2012
  3. pmc Action controls dopaminergic enhancement of reward representations
    Marc Guitart-Masip
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
    Proc Natl Acad Sci U S A 109:7511-6. 2012
  4. doi request reprint Vigor in the face of fluctuating rates of reward: an experimental examination
    Marc Guitart-Masip
    University College London, 17 Queen Square, London, WC1N 3AR, United Kingdom
    J Cogn Neurosci 23:3933-8. 2011
  5. pmc Action dominates valence in anticipatory representations in the human striatum and dopaminergic midbrain
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London, W1CN 4AR, United Kingdom
    J Neurosci 31:7867-75. 2011
  6. pmc Conditioned associations and economic decision biases
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London W1CN 4AR, UK
    Neuroimage 53:206-14. 2010
  7. pmc Contextual novelty changes reward representations in the striatum
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London WC1N 3AR, United Kingdom
    J Neurosci 30:1721-6. 2010
  8. pmc Dopamine modulates episodic memory persistence in old age
    Rumana Chowdhury
    Institute of Cognitive Neuroscience, University College London, London, WC1N 3AR, United Kingdom
    J Neurosci 32:14193-204. 2012
  9. pmc Dopamine restores reward prediction errors in old age
    Rumana Chowdhury
    Institute of Cognitive Neuroscience, University College London, London, UK
    Nat Neurosci 16:648-53. 2013
  10. pmc How dopamine enhances an optimism bias in humans
    Tali Sharot
    Department of Cognitive, Perceptual and Brain Sciences, University College London, 26 Bedford Way, London WC1H 0AP, UK
    Curr Biol 22:1477-81. 2012

Detail Information

Publications21

  1. pmc Synchronization of medial temporal lobe and prefrontal rhythms in human decision making
    Marc Guitart-Masip
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
    J Neurosci 33:442-51. 2013
    ..Our results indicate a mnemonic guidance of human decision making, beyond anticipation of expected reward, is supported by hippocampal-prefrontal theta synchronization...
  2. pmc Go and no-go learning in reward and punishment: interactions between affect and effect
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London, W1CN 4AR, UK
    Neuroimage 62:154-66. 2012
    ....
  3. pmc Action controls dopaminergic enhancement of reward representations
    Marc Guitart-Masip
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
    Proc Natl Acad Sci U S A 109:7511-6. 2012
    ..These findings highlight a key role for dopamine in the generation of appetitively motivated actions...
  4. doi request reprint Vigor in the face of fluctuating rates of reward: an experimental examination
    Marc Guitart-Masip
    University College London, 17 Queen Square, London, WC1N 3AR, United Kingdom
    J Cogn Neurosci 23:3933-8. 2011
    ..This validates one of the key proposals associated with the model, illuminating an apparently mandatory form of coupling that may involve tonic levels of dopamine...
  5. pmc Action dominates valence in anticipatory representations in the human striatum and dopaminergic midbrain
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London, W1CN 4AR, United Kingdom
    J Neurosci 31:7867-75. 2011
    ..This dominant influence of action requires an enriched notion of opponency between reward and punishment...
  6. pmc Conditioned associations and economic decision biases
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London W1CN 4AR, UK
    Neuroimage 53:206-14. 2010
    ....
  7. pmc Contextual novelty changes reward representations in the striatum
    Marc Guitart-Masip
    Institute of Cognitive Neuroscience, University College London, London WC1N 3AR, United Kingdom
    J Neurosci 30:1721-6. 2010
    ..These findings support a view that contextual novelty enhances neural responses underlying reward representation in the striatum and concur with the effects of novelty processing as predicted by the model of Lisman and Grace (2005)...
  8. pmc Dopamine modulates episodic memory persistence in old age
    Rumana Chowdhury
    Institute of Cognitive Neuroscience, University College London, London, WC1N 3AR, United Kingdom
    J Neurosci 32:14193-204. 2012
    ..This lasting improvement even for weakly encoded events supports a role for dopamine in human episodic memory consolidation, albeit operating within a narrow dose range...
  9. pmc Dopamine restores reward prediction errors in old age
    Rumana Chowdhury
    Institute of Cognitive Neuroscience, University College London, London, UK
    Nat Neurosci 16:648-53. 2013
    ..This drug effect was linked to restoration of a canonical neural RPE. Our results identify a neurochemical signature underlying abnormal reward processing in older adults and indicate that this can be modulated by L-DOPA...
  10. pmc How dopamine enhances an optimism bias in humans
    Tali Sharot
    Department of Cognitive, Perceptual and Brain Sciences, University College London, 26 Bedford Way, London WC1H 0AP, UK
    Curr Biol 22:1477-81. 2012
    ..These findings provide the first evidence that the neuromodulator dopamine impacts on belief formation by reducing negative expectations regarding the future...
  11. doi request reprint Anterior cingulate cortex instigates adaptive switches in choice by integrating immediate and delayed components of value in ventromedial prefrontal cortex
    Marcos Economides
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom, and Ageing Research Centre, Karolinska Institute, SE 11330 Stockholm, Sweden
    J Neurosci 34:3340-9. 2014
    ....
  12. pmc Effort and valuation in the brain: the effects of anticipation and execution
    Irma T Kurniawan
    Wellcome Trust Centre for Neuroimaging, University College London, London WC1N 3BG, United Kingdom
    J Neurosci 33:6160-9. 2013
    ....
  13. pmc Structural integrity of the substantia nigra and subthalamic nucleus predicts flexibility of instrumental learning in older-age individuals
    Rumana Chowdhury
    Institute of Cognitive Neuroscience, University College London, London, UK Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, UK
    Neurobiol Aging 34:2261-70. 2013
    ..We show that interindividual variability among healthy older adults of the structural integrity within the SN/VTA and subthalamic nucleus relates to effective acquisition of competing instrumental responses. ..
  14. pmc Preparing for selective inhibition within frontostriatal loops
    Peter Smittenaar
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, 12 Queen Square, WC1N 3BG, London, United Kingdom
    J Neurosci 33:18087-97. 2013
    ..Our results suggest proactive selective inhibition is implemented within frontostriatal structures, and we provide evidence that a speed-selectivity trade-off might underlie a range of findings reported previously. ..
  15. doi request reprint NOvelty-related motivation of anticipation and exploration by dopamine (NOMAD): implications for healthy aging
    Emrah Duzel
    Institute of Cognitive Neuroscience and Department of Psychology, University College London, 17 Queen Square, London WC1N 3AR, UK
    Neurosci Biobehav Rev 34:660-9. 2010
    ..We propose that maximizing the use of this mechanism by maintaining mobility and exploration of novel environments could be a potential mechanism to slow age-related decline of memory...
  16. pmc Human responses to unfairness with primary rewards and their biological limits
    Nicholas D Wright
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College, London, 12 Queen Square, London, WC1N 3BG, UK
    Sci Rep 2:593. 2012
    ..Our data demonstrate humans care about fairness during bargaining with primary rewards, but that subjective self-interest may limit this fairness motivation...
  17. doi request reprint Functional imaging of the human dopaminergic midbrain
    Emrah Duzel
    Institute of Cognitive Neuroscience, University College London, 17 Queen Square, London, WC13 NAR, UK
    Trends Neurosci 32:321-8. 2009
    ..We outline how systematic investigation of the functional parcellation of the SN/VTA in animals, new developments in fMRI analysis and combined PET-fMRI studies can narrow the gap between fMRI and dopaminergic neurotransmission...
  18. ncbi request reprint Action versus valence in decision making
    Marc Guitart-Masip
    Aging Research Centre, Karolinska Institute, SE 11330 Stockholm, Sweden Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London WC1N 3BG, UK Electronic address
    Trends Cogn Sci 18:194-202. 2014
    ..They also challenge existing views that neural representations in the striatum focus on valence, showing instead a dominance of the anticipation of action. ..
  19. doi request reprint Human hippocampus arbitrates approach-avoidance conflict
    Dominik R Bach
    Wellcome Trust Centre for Neuroimaging, University College London, London WC1N 3BG, UK Berlin School of Mind and Brain, Humboldt University Berlin, 10099 Berlin, Germany Psychiatric Hospital, University of Zurich, 8032 Zurich, Switzerland Electronic address
    Curr Biol 24:541-7. 2014
    ....
  20. doi request reprint Not so uncertain at last: locus coeruleus and decision making
    Emrah Duzel
    Institute of Cognitive Neuroscience, University College London, London, WC1N 3AR, UK
    Neuron 79:9-11. 2013
    ....