The Formation of Hierarchical Decisions in the Visual Cortex

Intelligence relies on our ability to find appropriate sequences of decisions in complex problem spaces. The efficiency of a problem solver depends on the speed of its individual decisions and the number of decisions it can explore in parallel. It remains unknown whether the primate brain can consid...

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Autores principales: Lorteije, J.A.M., Zylberberg, A., Ouellette, B.G., De Zeeuw, C.I., Sigman, M., Roelfsema, P.R.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_08966273_v87_n6_p1344_Lorteije
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spelling todo:paper_08966273_v87_n6_p1344_Lorteije2023-10-03T15:43:46Z The Formation of Hierarchical Decisions in the Visual Cortex Lorteije, J.A.M. Zylberberg, A. Ouellette, B.G. De Zeeuw, C.I. Sigman, M. Roelfsema, P.R. Article decision making decision tree eye fixation eye movement Haplorhini intelligence luminance nonhuman priority journal reward sensorimotor integration social dominance statistical analysis visual cortex animal cytology decision making male photostimulation physiology procedures reaction time rhesus monkey visual cortex visual system Animals Decision Making Macaca mulatta Male Photic Stimulation Reaction Time Visual Cortex Visual Pathways Intelligence relies on our ability to find appropriate sequences of decisions in complex problem spaces. The efficiency of a problem solver depends on the speed of its individual decisions and the number of decisions it can explore in parallel. It remains unknown whether the primate brain can consider multiple decisions at the same time. We therefore trained monkeys to navigate through a decision tree with stochastic sensory evidence at multiple branching points and recorded neuronal activity in visual cortical areas V1 and V4. We found a first phase of decision making in which neuronal activity increased in parallel along multiple branches of the decision tree. This was followed by an integration phase where the optimal overall strategy crystallized as the result of interactions between local decisions. The results reveal how sensory evidence is integrated efficiently for hierarchical decisions and contribute to our understanding of the brain mechanisms that implement complex mental programs. Lorteije et al. found behavioral and physiological evidence that the primate brain can process multiple decisions in parallel. Besides decreasing overall processing time, parallel decisions can influence each other and, thereby, maximize the reward income. © 2015 Elsevier Inc.. Fil:Sigman, M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_08966273_v87_n6_p1344_Lorteije
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Article
decision making
decision tree
eye fixation
eye movement
Haplorhini
intelligence
luminance
nonhuman
priority journal
reward
sensorimotor integration
social dominance
statistical analysis
visual cortex
animal
cytology
decision making
male
photostimulation
physiology
procedures
reaction time
rhesus monkey
visual cortex
visual system
Animals
Decision Making
Macaca mulatta
Male
Photic Stimulation
Reaction Time
Visual Cortex
Visual Pathways
spellingShingle Article
decision making
decision tree
eye fixation
eye movement
Haplorhini
intelligence
luminance
nonhuman
priority journal
reward
sensorimotor integration
social dominance
statistical analysis
visual cortex
animal
cytology
decision making
male
photostimulation
physiology
procedures
reaction time
rhesus monkey
visual cortex
visual system
Animals
Decision Making
Macaca mulatta
Male
Photic Stimulation
Reaction Time
Visual Cortex
Visual Pathways
Lorteije, J.A.M.
Zylberberg, A.
Ouellette, B.G.
De Zeeuw, C.I.
Sigman, M.
Roelfsema, P.R.
The Formation of Hierarchical Decisions in the Visual Cortex
topic_facet Article
decision making
decision tree
eye fixation
eye movement
Haplorhini
intelligence
luminance
nonhuman
priority journal
reward
sensorimotor integration
social dominance
statistical analysis
visual cortex
animal
cytology
decision making
male
photostimulation
physiology
procedures
reaction time
rhesus monkey
visual cortex
visual system
Animals
Decision Making
Macaca mulatta
Male
Photic Stimulation
Reaction Time
Visual Cortex
Visual Pathways
description Intelligence relies on our ability to find appropriate sequences of decisions in complex problem spaces. The efficiency of a problem solver depends on the speed of its individual decisions and the number of decisions it can explore in parallel. It remains unknown whether the primate brain can consider multiple decisions at the same time. We therefore trained monkeys to navigate through a decision tree with stochastic sensory evidence at multiple branching points and recorded neuronal activity in visual cortical areas V1 and V4. We found a first phase of decision making in which neuronal activity increased in parallel along multiple branches of the decision tree. This was followed by an integration phase where the optimal overall strategy crystallized as the result of interactions between local decisions. The results reveal how sensory evidence is integrated efficiently for hierarchical decisions and contribute to our understanding of the brain mechanisms that implement complex mental programs. Lorteije et al. found behavioral and physiological evidence that the primate brain can process multiple decisions in parallel. Besides decreasing overall processing time, parallel decisions can influence each other and, thereby, maximize the reward income. © 2015 Elsevier Inc..
format JOUR
author Lorteije, J.A.M.
Zylberberg, A.
Ouellette, B.G.
De Zeeuw, C.I.
Sigman, M.
Roelfsema, P.R.
author_facet Lorteije, J.A.M.
Zylberberg, A.
Ouellette, B.G.
De Zeeuw, C.I.
Sigman, M.
Roelfsema, P.R.
author_sort Lorteije, J.A.M.
title The Formation of Hierarchical Decisions in the Visual Cortex
title_short The Formation of Hierarchical Decisions in the Visual Cortex
title_full The Formation of Hierarchical Decisions in the Visual Cortex
title_fullStr The Formation of Hierarchical Decisions in the Visual Cortex
title_full_unstemmed The Formation of Hierarchical Decisions in the Visual Cortex
title_sort formation of hierarchical decisions in the visual cortex
url http://hdl.handle.net/20.500.12110/paper_08966273_v87_n6_p1344_Lorteije
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