16,219 Hits in 4.7 sec

Reward expectation differentially modulates attentional behavior and activity in visual area V4

Jalal K Baruni, Brian Lau, C Daniel Salzman
2015 Nature Neuroscience  
We trained monkeys to discriminate the orientation of two stimuli presented simultaneously in different hemifields while we independently varied the reward magnitude associated with correct discrimination  ...  By contrast, neurons in V4 were consistently modulated by absolute reward value, exhibiting increased activity, increased gamma-band power and decreased trial-to-trial variability whenever receptive field  ...  Pestilli for helpful comments on an earlier version of the manuscript, S. Dashnaw for MRI support, G. Asfaw for veterinary support, and K. Marmon for technical support.  ... 
doi:10.1038/nn.4141 pmid:26479590 pmcid:PMC4624579 fatcat:lingbvh4aneitha4uycxnhdwvq

SOVEREIGN: an Autonomous Neural System for Incrementally Learning to Navigate towards a Rewarded Goal [chapter]

William Gnadt, Stephen Grossberg
2008 Motion Planning  
Due to the selective role of motivational feedback, the animat is capable of learning to carry out different plans to satisfy different motivational goals even in response to the same sensory cues.  ...  Visual and motor list chunks may learn to activate different approach-orient commands under different motivational states. How can a single chunk give rise to multiple responses?  ...  SOVEREIGN: an Autonomous Neural System for Incrementally Learning to Navigate towards a Rewarded Goal, Motion Planning, Xing-Jian Jing (Ed.), ISBN: 978-953-7619-01-5, InTech, Available from:  ... 
doi:10.5772/6018 fatcat:rv3kg6czzbb7dkjm7q35qhxt7y

The left hemisphere learns what is right: Hemispatial reward learning depends on reinforcement learning processes in the contralateral hemisphere

Kristoffer Carl Aberg, Kimberly Crystal Doell, Sophie Schwartz
2016 Neuropsychologia  
However, the exact neural and computational mechanisms underlying the influence of individual orienting biases on reward learning remain unclear.  ...  to identify the neural correlates of PEs.  ...  by the University of Geneva and the Swiss National Science Foundation (Grant numbers: 320030-159862 and 320030-135653).  ... 
doi:10.1016/j.neuropsychologia.2016.05.023 pmid:27221149 fatcat:kkow5g5tvvg67boiw463prtzoq

The triadic model perspective for the study of adolescent motivated behavior

Monique Ernst
2014 Brain and Cognition  
The triadic neural systems model is a heuristic tool, which was developed with the goal of providing a framework for neuroscience research into motivated behaviors.  ...  A first application of this model has been to account for adolescent behavior.  ...  This shift in social orientation is likely to originate from the interaction among all three maturing modules of the triadic model, in addition to a reorganization of the social neural circuitry (Blakemore  ... 
doi:10.1016/j.bandc.2014.01.006 pmid:24556507 pmcid:PMC4248307 fatcat:yruf7pr7qbebboafmetpusadsu

Linking anhedonia symptoms with behavioural and neural reward responses in adolescent depression

Ciara McCabe
2018 Current Opinion in Behavioral Sciences  
Studies report blunted neural responses to reward that relate to positive affect and depression symptoms in adolescents.  ...  components of reward for e.g. decreased motivation/effort and more ecologically valid tasks relevant to adolescents, in the MRI scanner.  ...  Using parametric modulations between subjective experiences (wanting, liking and intensity) and the neural response there was a positive correlation with the "intensity" ratings of the reward taste in  ... 
doi:10.1016/j.cobeha.2018.07.001 fatcat:iplxjqtsz5hj7j7j7cgiacv7qa

Embedding reward signals into perception and cognition

Luiz Pessoa
2010 Frontiers in Neuroscience  
motivational signals to cortex and enhance signal processing.  ...  motivational signals to cortex and enhance signal processing.  ...  These findings demonstrate that motivational state (hunger) modulates spatial attention via response modulations across several brain regions.  ... 
doi:10.3389/fnins.2010.00017 pmid:20859524 pmcid:PMC2940450 fatcat:nmacwdoqczbsngrvabfj2uk4ua

Value associations of irrelevant stimuli modify rapid visual orienting

Helena J. V. Rutherford, Jennifer L. O'Brien, Jane E. Raymond
2010 Psychonomic Bulletin & Review  
Correspondence concerning this article should be addressed to J. E.  ...  AUTHOR NOTE H.J.V.R. and J.L.O. were supported by studentships from the ESRC (U.K.) and an Overseas Research Students Awards Scheme, respectively.  ...  Our results show that dynamic visual scene processing may be markedly influenced by the presence of previously rewarding objects and suggest that neural codes for prior experience of reward modulate by  ... 
doi:10.3758/pbr.17.4.536 pmid:20702874 fatcat:xoucoamkyzhnxbqypmgsfv3vl4

Efficient coding and the neural representation of value

Kenway Louie, Paul W. Glimcher
2012 Annals of the New York Academy of Sciences  
Similar contextual modulation occurs widely in the sensory system, and efficient coding principles derived in the sensory domain suggest a new framework for understanding the neural coding of value.  ...  Although normative theories of choice have outlined the theoretical structure of these valuations, recent experiments have begun to reveal how value is instantiated in the activity of neurons and neural  ...  Introduction The activity in many brain regions is sensitive to reward, a modulation that can reflect not just value but processes such as sensation, motivation, and attention.  ... 
doi:10.1111/j.1749-6632.2012.06496.x pmid:22694213 fatcat:2fkh75pjmvdaxn4zolgo2dvsw4

Motivated Attention and Reward in Parenting

Anne E. Ferrey, Nicholas Santascoy, Eamon J. McCrory, Chloe Thompson-Booth, Linda C. Mayes, Helena J.V. Rutherford
2016 Parenting, science and practice  
motivation and thus caregiving responses.  ...  This increase may depend on interactions between the dopamine reward system and the neuropeptide oxytocin.  ...  The attenuated neural response to infant cues observed in substance-using mothers is thought to reflect that addiction may potentially co-opt the brain's reward system, thus rendering natural rewards even  ... 
doi:10.1080/15295192.2016.1184928 fatcat:nknawkoqcfbijleekd3xczwllu

Lateral Hypothalamic Control of the Ventral Tegmental Area: Reward Evaluation and the Driving of Motivated Behavior

Susan M. Tyree, Luis de Lecea
2017 Frontiers in Systems Neuroscience  
Lateral hypothalamic projections to the VTA are believed to be important for driving behavior due to the involvement of dopaminergic reward circuitry.  ...  The lateral hypothalamus (LH) plays an important role in many motivated behaviors, sleep-wake states, food intake, drug-seeking, energy balance, etc.  ...  This modulation of reward response in the VTA may play an important role in directing motivated behaviors to rewards that are less predictable over rewards that are more regularly available.  ... 
doi:10.3389/fnsys.2017.00050 pmid:28729827 pmcid:PMC5498520 fatcat:ooznjpa2nbactgcqlavbeqkqmq

Beetles, boxes and brain cells: neural mechanisms underlying valuation and learning

C Daniel Salzman, Marina A Belova, Joseph J Paton
2005 Current Opinion in Neurobiology  
Because the acquisition of rewards motivates much behavior, recent efforts have focused on describing the neural signals related to learning the value of stimuli and actions.  ...  By training monkeys on various behavioral tasks, recent studies have begun to characterize how neural signals represent distinct processes, such as the timing of events, motivation, absolute (objective  ...  Culpeper Scholarship award from Goldman Philanthropic Partnerships to CD Salzman.  ... 
doi:10.1016/j.conb.2005.10.016 pmid:16271457 pmcid:PMC2398703 fatcat:bhvetrngzne7tdimstzhznk5nm

Neural Correlates of Emotion Regulation in the Ventral Prefrontal Cortex and the Encoding of Subjective Value and Economic Utility

Roberto Viviani
2014 Frontiers in Psychiatry  
with the inferior parietal lobe, the cortical region associated with attentional orienting, to convey information about motivational priorities and facilitate processing of inputs that are behaviorally  ...  with effortful control processes in order to steer response.  ...  Cues associated with specific rewards may motivate the choice of the course of action leading to the reward evoked by the cue (80, 121) .  ... 
doi:10.3389/fpsyt.2014.00123 pmid:25309459 pmcid:PMC4163980 fatcat:bnpvd435gnamrcuwxbryzqvtoi

Dopamine in Motivational Control: Rewarding, Aversive, and Alerting

Ethan S. Bromberg-Martin, Masayuki Matsumoto, Okihide Hikosaka
2010 Neuron  
Midbrain dopamine neurons are well known for their strong responses to rewards and their critical role in positive motivation.  ...  Here we review recent advances in understanding the reward and nonreward functions of dopamine.  ...  ACKNOWLEDGMENTS This work was supported by the Intramural Research Program at the National Eye Institute. We also thank Amy Arnsten for valuable discussions.  ... 
doi:10.1016/j.neuron.2010.11.022 pmid:21144997 pmcid:PMC3032992 fatcat:2mehpkwvdbh4rbmcrxxy77lhby

Distinct medial temporal networks encode surprise during motivation by reward versus punishment

Vishnu P. Murty, Kevin S. LaBar, R. Alison Adcock
2016 Neurobiology of Learning and Memory  
Distinct medial temporal networks encode surprise during motivation by reward versus punishment. Neurobiology of Learning and Memory (2016), http://dx.  ...  Enhancements in neural sensitivity, however, were not modulated by incentive level of the motivational cues, suggesting that increased sensitivity was in response to the general context of reward as opposed  ...  These convergent findings that motivation modulates the responsivity of the MTL imply consequences for how motivation contributes to encoding, including the encoding of surprise.  ... 
doi:10.1016/j.nlm.2016.01.018 pmid:26854903 pmcid:PMC5024782 fatcat:nxb4gnbjpfgpbaaactfxyrsj54

Punishment-related memory-guided attention: Neural dynamics of perceptual modulation

Samuel Suárez-Suárez, Socorro Rodríguez Holguín, Fernando Cadaveira, Anna Christina Nobre, Sonia Doallo
2019 Cortex  
Compared to non-associated scenes, contextual memories paired with punishment avoidance lead to faster responses to targets presented at remembered locations.  ...  Remembering the outcomes of past experiences allows us to generate future expectations and shape selection in the long-term.  ...  Acknowledgments This research was supported by a Project Grant to S.D. from the Consellería de Cultura, Educaci on e Ordenaci on Universitaria, Xunta de Galicia, Spain (EM2012/017).  ... 
doi:10.1016/j.cortex.2019.01.029 pmid:30852377 pmcid:PMC6525146 fatcat:klvi5puhdjba5nrn476qohnrzm
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