Optimal Behavioral Hierarchy
Publication Date
August 14, 2014
Journal
PLOS Computational Biology
Authors
Alec Solway, Carlos Diuk, Natalia Córdova, Debbie Yee, et al
Volume
10
Issue
8
Pages
e1003779
DOI
https://dx.plos.org/10.1371/journal.pcbi.1003779
Publisher URL
http://journals.plos.org/ploscompbiol/article?id=10.1371%2Fjournal.pcbi.1003779
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/25122479
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4133163
Europe PMC
http://europepmc.org/abstract/MED/25122479
Web of Science
000341573600029
Scopus
84923228672
Mendeley
http://www.mendeley.com/research/optimal-behavioral-hierarchy
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Scopus | Further Information

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/1635976"], "description"=>"<p>Vertices represent states (green = start, red = goal), and edges feasible transitions. <b>B</b>. Mean performance of three hierarchical reinforcement learning agents in the rooms task. <i>Inset</i>: Results based on four graph decompositions. Blue: decomposition from panel C. Purple: decomposition from panel D. Black: entire graph treated as one region. Orange: decomposition with orange vertices in panel A segregated out as singleton regions. <i>Model evidence</i> is on a log scale (data range to ). <i>Search time</i> denotes the expected number of trial-and-error attempts to discover the solution to a randomly drawn task or subtask (geometric mean; range 685 to 65947; tick mark indicates the origin). <i>Codelength</i> signifies the number of bits required to encode the entire data-set under a Shannon code (range to ). Note that the abscissa refers both to model evidence and codelength. Model evidence increases left to right, and codelength increases right to left. <b>C</b>. Optimal decomposition. <b>D</b>. An alternative decomposition.</p>", "links"=>[], "tags"=>["hierarchy", "Optimal Behavioral Hierarchy Human behavior", "subtask", "action hierarchies", "task", "actions hierarchically"], "article_id"=>1139283, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Alec Solway", "Carlos Diuk", "Natalia Córdova", "Debbie Yee", "Andrew G. Barto", "Yael Niv", "Matthew M. Botvinick"], "doi"=>"https://dx.doi.org/10.1371/journal.pcbi.1003779.g001", "stats"=>{"downloads"=>3, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_A_Rooms_domain_/1139283", "title"=>"A. Rooms domain.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-08-14 09:49:50"}
  • {"files"=>["https://ndownloader.figshare.com/files/1635977"], "description"=>"<p><b>B</b>. Task display from Experiment 1. Participants used the computer mouse to select three locations adjacent to the probe location. <b>C</b>. Graph employed in Experiment 1, showing the optimal decomposition. Width of each gray ring indicates mean proportion of cases in which the relevant location was chosen. <b>D</b>. Graph studied in Experiments 2 and 3, showing the optimal decomposition (two regions, with central vertex grouped either to left or right). <i>Top:</i> Illustration of a “delivery” assignment from Experiment 3 (green = start, red = goal), where bottleneck (purple) and non-bottleneck (blue) probes called for a positive response. <i>Bottom</i>: An assignment where bottleneck and non-bottleneck probes called for a negative response. <b>E</b>. Mean correct response times from Experiment 3. <i>Affirm</i>: trials where the probe fell on the shortest path between the specified start and goal locations. <i>Reject</i>: trials where it did not. Purple: bottleneck probes. Blue: non-bottleneck probes. <b>F</b>. State-transition graph for the Tower of Hanoi puzzle, showing the optimal decomposition and indicating the start and goal configurations of the kind studied in Experiment 4. A different set of colors was used for the beads in the actual experiment. Furthermore, as explained under Methods, the beads were the same size. The changes were made here for display purposes.</p>", "links"=>[], "tags"=>["hierarchy", "Optimal Behavioral Hierarchy Human behavior", "subtask", "action hierarchies", "task", "actions hierarchically"], "article_id"=>1139284, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Alec Solway", "Carlos Diuk", "Natalia Córdova", "Debbie Yee", "Andrew G. Barto", "Yael Niv", "Matthew M. Botvinick"], "doi"=>"https://dx.doi.org/10.1371/journal.pcbi.1003779.g002", "stats"=>{"downloads"=>6, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_A_Graph_studied_by_Schapiro_et_al_41_showing_the_optimal_decomposition_/1139284", "title"=>"A. Graph studied by Schapiro et al. [41], showing the optimal decomposition.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-08-14 09:49:50"}

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