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Variability in Action Selection Relates to Striatal Dopamine 2/3 Receptor Availability in Humans: A PET Neuroimaging Study Using Reinforcement Learning and Active Inference Models.

Adams RA, Moutoussis M, Nour MM, Dahoun T, Lewis D, Illingworth B, Veronese M, Mathys C, de Boer L, Guitart-Masip M, Friston KJ, Howes OD, Roiser JP.

Cereb Cortex. 2020 Feb 21. pii: bhz327. doi: 10.1093/cercor/bhz327. [Epub ahead of print]


The Role of the Striatum in Learning to Orthogonalize Action and Valence: A Combined PET and 7 T MRI Aging Study.

Perosa V, de Boer L, Ziegler G, Apostolova I, Buchert R, Metzger C, Amthauer H, Guitart-Masip M, Düzel E, Betts MJ.

Cereb Cortex. 2020 Jan 2. pii: bhz313. doi: 10.1093/cercor/bhz313. [Epub ahead of print]


Dorsal striatal dopamine D1 receptor availability predicts an instrumental bias in action learning.

de Boer L, Axelsson J, Chowdhury R, Riklund K, Dolan RJ, Nyberg L, Bäckman L, Guitart-Masip M.

Proc Natl Acad Sci U S A. 2019 Jan 2;116(1):261-270. doi: 10.1073/pnas.1816704116. Epub 2018 Dec 18.


Neural activity and fundamental learning, motivated by monetary loss and reward, are intact in mild to moderate major depressive disorder.

Moutoussis M, Rutledge RB, Prabhu G, Hrynkiewicz L, Lam J, Ousdal OT, Guitart-Masip M, Fonagy P, Dolan RJ.

PLoS One. 2018 Aug 2;13(8):e0201451. doi: 10.1371/journal.pone.0201451. eCollection 2018.


Distinct phenotypes of spontaneous activity and induction of amphetamine sensitization in inbred Roman high- and low-avoidance rats: Vulnerability and protection.

Giménez-Llort L, Guitart-Masip M, Tobeña A, Fernández-Teruel A, Johansson B.

Neurosci Lett. 2018 Apr 23;673:92-98. doi: 10.1016/j.neulet.2018.03.011. Epub 2018 Mar 6.


Latent-Profile Analysis Reveals Behavioral and Brain Correlates of Dopamine-Cognition Associations.

Lövdén M, Karalija N, Andersson M, Wåhlin A, Axelsson J, Köhncke Y, Jonasson LS, Rieckman A, Papenberg G, Garrett DD, Guitart-Masip M, Salami A, Riklund K, Bäckman L, Nyberg L, Lindenberger U.

Cereb Cortex. 2018 Nov 1;28(11):3894-3907. doi: 10.1093/cercor/bhx253.


Attenuation of dopamine-modulated prefrontal value signals underlies probabilistic reward learning deficits in old age.

de Boer L, Axelsson J, Riklund K, Nyberg L, Dayan P, Bäckman L, Guitart-Masip M.

Elife. 2017 Sep 5;6. pii: e26424. doi: 10.7554/eLife.26424.


Parsing the Role of the Hippocampus in Approach-Avoidance Conflict.

Loh E, Kurth-Nelson Z, Berron D, Dayan P, Duzel E, Dolan R, Guitart-Masip M.

Cereb Cortex. 2017 Jan 1;27(1):201-215. doi: 10.1093/cercor/bhw378.


Basal Ganglia Activity Mirrors a Benefit of Action and Reward on Long-Lasting Event Memory.

Koster R, Guitart-Masip M, Dolan RJ, Düzel E.

Cereb Cortex. 2015 Dec;25(12):4908-17. doi: 10.1093/cercor/bhv216. Epub 2015 Sep 28.


Model-Based Reasoning in Humans Becomes Automatic with Training.

Economides M, Kurth-Nelson Z, Lübbert A, Guitart-Masip M, Dolan RJ.

PLoS Comput Biol. 2015 Sep 17;11(9):e1004463. doi: 10.1371/journal.pcbi.1004463. eCollection 2015 Sep.


Deep brain stimulation of the subthalamic nucleus modulates reward processing and action selection in Parkinson patients.

Wagenbreth C, Zaehle T, Galazky I, Voges J, Guitart-Masip M, Heinze HJ, Düzel E.

J Neurol. 2015 Jun;262(6):1541-7. doi: 10.1007/s00415-015-7749-9. Epub 2015 May 1.


Corrigendum: Valenced action/inhibition learning in humans is modulated by a genetic variant linked to dopamine D2 receptor expression.

Richter A, Guitart-Masip M, Barman A, Libeau C, Behnisch G, Czerney S, Schanze D, Assmann A, Klein M, Düzel E, Zenker M, Seidenbecher C, Schott BH.

Front Syst Neurosci. 2015 Mar 11;9:36. doi: 10.3389/fnsys.2015.00036. eCollection 2015.


BOLD Variability is Related to Dopaminergic Neurotransmission and Cognitive Aging.

Guitart-Masip M, Salami A, Garrett D, Rieckmann A, Lindenberger U, Bäckman L.

Cereb Cortex. 2016 May;26(5):2074-2083. doi: 10.1093/cercor/bhv029. Epub 2015 Mar 5.


Arbitration between controlled and impulsive choices.

Economides M, Guitart-Masip M, Kurth-Nelson Z, Dolan RJ.

Neuroimage. 2015 Apr 1;109:206-16. doi: 10.1016/j.neuroimage.2014.12.071. Epub 2015 Jan 6.


Dopamine, Salience, and Response Set Shifting in Prefrontal Cortex.

Shiner T, Symmonds M, Guitart-Masip M, Fleming SM, Friston KJ, Dolan RJ.

Cereb Cortex. 2015 Oct;25(10):3629-39. doi: 10.1093/cercor/bhu210. Epub 2014 Sep 21.


Valenced action/inhibition learning in humans is modulated by a genetic variant linked to dopamine D2 receptor expression.

Richter A, Guitart-Masip M, Barman A, Libeau C, Behnisch G, Czerney S, Schanze D, Assmann A, Klein M, Düzel E, Zenker M, Seidenbecher CI, Schott BH.

Front Syst Neurosci. 2014 Aug 6;8:140. doi: 10.3389/fnsys.2014.00140. eCollection 2014. Erratum in: Front Syst Neurosci. 2015;9:36.


Human Hippocampus Arbitrates Approach-Avoidance Conflict.

Bach DR, Guitart-Masip M, Packard PA, Miró J, Falip M, Fuentemilla L, Dolan RJ.

Curr Biol. 2014 Jun 16;24(12):1435. doi: 10.1016/j.cub.2014.05.051. Epub 2014 Jun 16. No abstract available.


Action versus valence in decision making.

Guitart-Masip M, Duzel E, Dolan R, Dayan P.

Trends Cogn Sci. 2014 Apr;18(4):194-202. doi: 10.1016/j.tics.2014.01.003. Epub 2014 Feb 25. Review.


Anterior cingulate cortex instigates adaptive switches in choice by integrating immediate and delayed components of value in ventromedial prefrontal cortex.

Economides M, Guitart-Masip M, Kurth-Nelson Z, Dolan RJ.

J Neurosci. 2014 Feb 26;34(9):3340-9. doi: 10.1523/JNEUROSCI.4313-13.2014.


Human hippocampus arbitrates approach-avoidance conflict.

Bach DR, Guitart-Masip M, Packard PA, Miró J, Falip M, Fuentemilla L, Dolan RJ.

Curr Biol. 2014 Mar 3;24(5):541-7. doi: 10.1016/j.cub.2014.01.046. Epub 2014 Feb 20. Erratum in: Curr Biol. 2014 Jun 16;24(12):1435.


Manipulating the contribution of approach-avoidance to the perturbation of economic choice by valence.

Wright ND, Morris LS, Guitart-Masip M, Dolan RJ.

Front Neurosci. 2013 Dec 4;7:228. doi: 10.3389/fnins.2013.00228. eCollection 2013.


Differential, but not opponent, effects of L -DOPA and citalopram on action learning with reward and punishment.

Guitart-Masip M, Economides M, Huys QJ, Frank MJ, Chowdhury R, Duzel E, Dayan P, Dolan RJ.

Psychopharmacology (Berl). 2014 Mar;231(5):955-66.


Preparing for selective inhibition within frontostriatal loops.

Smittenaar P, Guitart-Masip M, Lutti A, Dolan RJ.

J Neurosci. 2013 Nov 13;33(46):18087-97. doi: 10.1523/JNEUROSCI.2167-13.2013.


Not so uncertain at last: locus coeruleus and decision making.

Duzel E, Guitart-Masip M.

Neuron. 2013 Jul 10;79(1):9-11. doi: 10.1016/j.neuron.2013.06.023.


Frontal theta overrides pavlovian learning biases.

Cavanagh JF, Eisenberg I, Guitart-Masip M, Huys Q, Frank MJ.

J Neurosci. 2013 May 8;33(19):8541-8. doi: 10.1523/JNEUROSCI.5754-12.2013.


Structural integrity of the substantia nigra and subthalamic nucleus predicts flexibility of instrumental learning in older-age individuals.

Chowdhury R, Guitart-Masip M, Lambert C, Dolan RJ, Düzel E.

Neurobiol Aging. 2013 Oct;34(10):2261-70. doi: 10.1016/j.neurobiolaging.2013.03.030. Epub 2013 Apr 24.


Electrophysiological correlates of anticipating improbable but desired events.

Fuentemilla L, Cucurell D, Marco-Pallarés J, Guitart-Masip M, Morís J, Rodríguez-Fornells A.

Neuroimage. 2013 Sep;78:135-44. doi: 10.1016/j.neuroimage.2013.03.062. Epub 2013 Apr 11.


Effort and valuation in the brain: the effects of anticipation and execution.

Kurniawan IT, Guitart-Masip M, Dayan P, Dolan RJ.

J Neurosci. 2013 Apr 3;33(14):6160-9. doi: 10.1523/JNEUROSCI.4777-12.2013.


Dopamine restores reward prediction errors in old age.

Chowdhury R, Guitart-Masip M, Lambert C, Dayan P, Huys Q, Düzel E, Dolan RJ.

Nat Neurosci. 2013 May;16(5):648-53. doi: 10.1038/nn.3364. Epub 2013 Mar 24. Erratum in: Nat Neurosci. 2014 Dec;17(12):1840.


Dopamine modulates reward-related vigor.

Beierholm U, Guitart-Masip M, Economides M, Chowdhury R, Düzel E, Dolan R, Dayan P.

Neuropsychopharmacology. 2013 Jul;38(8):1495-503. doi: 10.1038/npp.2013.48. Epub 2013 Feb 18.


Pharmacological dissociation of novelty responses in the human brain.

Bunzeck N, Guitart-Masip M, Dolan RJ, Duzel E.

Cereb Cortex. 2014 May;24(5):1351-60. doi: 10.1093/cercor/bhs420. Epub 2013 Jan 10.


Synchronization of medial temporal lobe and prefrontal rhythms in human decision making.

Guitart-Masip M, Barnes GR, Horner A, Bauer M, Dolan RJ, Duzel E.

J Neurosci. 2013 Jan 9;33(2):442-51. doi: 10.1523/JNEUROSCI.2573-12.2013.


Dopamine modulates episodic memory persistence in old age.

Chowdhury R, Guitart-Masip M, Bunzeck N, Dolan RJ, Düzel E.

J Neurosci. 2012 Oct 10;32(41):14193-204. doi: 10.1523/JNEUROSCI.1278-12.2012.


Human responses to unfairness with primary rewards and their biological limits.

Wright ND, Hodgson K, Fleming SM, Symmonds M, Guitart-Masip M, Dolan RJ.

Sci Rep. 2012;2:593. doi: 10.1038/srep00593. Epub 2012 Aug 23.


How dopamine enhances an optimism bias in humans.

Sharot T, Guitart-Masip M, Korn CW, Chowdhury R, Dolan RJ.

Curr Biol. 2012 Aug 21;22(16):1477-81. doi: 10.1016/j.cub.2012.05.053. Epub 2012 Jul 12.


Go and no-go learning in reward and punishment: interactions between affect and effect.

Guitart-Masip M, Huys QJ, Fuentemilla L, Dayan P, Duzel E, Dolan RJ.

Neuroimage. 2012 Aug 1;62(1):154-66. doi: 10.1016/j.neuroimage.2012.04.024. Epub 2012 Apr 21.


Action controls dopaminergic enhancement of reward representations.

Guitart-Masip M, Chowdhury R, Sharot T, Dayan P, Duzel E, Dolan RJ.

Proc Natl Acad Sci U S A. 2012 May 8;109(19):7511-6. doi: 10.1073/pnas.1202229109. Epub 2012 Apr 23.


Contextual novelty modulates the neural dynamics of reward anticipation.

Bunzeck N, Guitart-Masip M, Dolan RJ, Düzel E.

J Neurosci. 2011 Sep 7;31(36):12816-22. doi: 10.1523/JNEUROSCI.0461-11.2011.


Vigor in the face of fluctuating rates of reward: an experimental examination.

Guitart-Masip M, Beierholm UR, Dolan R, Duzel E, Dayan P.

J Cogn Neurosci. 2011 Dec;23(12):3933-8. doi: 10.1162/jocn_a_00090. Epub 2011 Jul 7.


Dopamine and effort-based decision making.

Kurniawan IT, Guitart-Masip M, Dolan RJ.

Front Neurosci. 2011 Jun 21;5:81. doi: 10.3389/fnins.2011.00081. eCollection 2011.


Action dominates valence in anticipatory representations in the human striatum and dopaminergic midbrain.

Guitart-Masip M, Fuentemilla L, Bach DR, Huys QJ, Dayan P, Dolan RJ, Duzel E.

J Neurosci. 2011 May 25;31(21):7867-75. doi: 10.1523/JNEUROSCI.6376-10.2011.


Two-way avoidance acquisition is negatively related to conditioned freezing and positively associated with startle reactions: a dissection of anxiety and fear in genetically heterogeneous rats.

Vicens-Costa E, Martínez-Membrives E, López-Aumatell R, Guitart-Masip M, Cañete T, Blázquez G, Tobeña A, Fernández-Teruel A.

Physiol Behav. 2011 May 3;103(2):148-56. doi: 10.1016/j.physbeh.2010.12.009. Epub 2010 Dec 14.


Dissociable roles of mGlu5 and dopamine receptors in the rewarding and sensitizing properties of morphine and cocaine.

Veeneman MM, Boleij H, Broekhoven MH, Snoeren EM, Guitart Masip M, Cousijn J, Spooren W, Vanderschuren LJ.

Psychopharmacology (Berl). 2011 Apr;214(4):863-76. doi: 10.1007/s00213-010-2095-1. Epub 2010 Dec 1.


Conditioned associations and economic decision biases.

Guitart-Masip M, Talmi D, Dolan R.

Neuroimage. 2010 Oct 15;53(1):206-14. doi: 10.1016/j.neuroimage.2010.06.021. Epub 2010 Jun 20.


Contextual novelty changes reward representations in the striatum.

Guitart-Masip M, Bunzeck N, Stephan KE, Dolan RJ, Düzel E.

J Neurosci. 2010 Feb 3;30(5):1721-6. doi: 10.1523/JNEUROSCI.5331-09.2010.


Neural correlates of impaired emotional discrimination in borderline personality disorder: an fMRI study.

Guitart-Masip M, Pascual JC, Carmona S, Hoekzema E, Bergé D, Pérez V, Soler J, Soliva JC, Rovira M, Bulbena A, Vilarroya O.

Prog Neuropsychopharmacol Biol Psychiatry. 2009 Nov 13;33(8):1537-45. doi: 10.1016/j.pnpbp.2009.08.022. Epub 2009 Sep 11.


NOvelty-related motivation of anticipation and exploration by dopamine (NOMAD): implications for healthy aging.

Düzel E, Bunzeck N, Guitart-Masip M, Düzel S.

Neurosci Biobehav Rev. 2010 Apr;34(5):660-9. doi: 10.1016/j.neubiorev.2009.08.006. Epub 2009 Aug 26. Review.


Unlearned anxiety predicts learned fear: a comparison among heterogeneous rats and the Roman rat strains.

López-Aumatell R, Vicens-Costa E, Guitart-Masip M, Martínez-Membrives E, Valdar W, Johannesson M, Cañete T, Blázquez G, Driscoll P, Flint J, Tobeña A, Fernández-Teruel A.

Behav Brain Res. 2009 Aug 24;202(1):92-101. doi: 10.1016/j.bbr.2009.03.024. Epub 2009 Mar 28.


Functional imaging of the human dopaminergic midbrain.

Düzel E, Bunzeck N, Guitart-Masip M, Wittmann B, Schott BH, Tobler PN.

Trends Neurosci. 2009 Jun;32(6):321-8. doi: 10.1016/j.tins.2009.02.005. Epub 2009 May 14.


A resource for the simultaneous high-resolution mapping of multiple quantitative trait loci in rats: the NIH heterogeneous stock.

Johannesson M, Lopez-Aumatell R, Stridh P, Diez M, Tuncel J, Blázquez G, Martinez-Membrives E, Cañete T, Vicens-Costa E, Graham D, Copley RR, Hernandez-Pliego P, Beyeen AD, Ockinger J, Fernández-Santamaría C, Gulko PS, Brenner M, Tobeña A, Guitart-Masip M, Giménez-Llort L, Dominiczak A, Holmdahl R, Gauguier D, Olsson T, Mott R, Valdar W, Redei EE, Fernández-Teruel A, Flint J.

Genome Res. 2009 Jan;19(1):150-8. doi: 10.1101/gr.081497.108. Epub 2008 Oct 29.

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