{"id":"https://openalex.org/W7214745492","doi":"https://doi.org/10.48550/arxiv.2609.32620","title":"Space versus Context: Competition for limited neural resources determines engram cell allocation in the hippocampus","display_name":"Space versus Context: Competition for limited neural resources determines engram cell allocation in the hippocampus","publication_year":2026,"publication_date":"2026-09-26","ids":{"openalex":"https://openalex.org/W7214745492","doi":"https://doi.org/10.48550/arxiv.2609.32620"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.32620","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.32620","pdf_url":"https://arxiv.org/pdf/2609.32620","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.32620","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5153417856","display_name":"Kensuke Chiba","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chiba, Kensuke","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5030187397","display_name":"Jun-nosuke Teramae","orcid":"https://orcid.org/0000-0003-3255-0253","observed_orcids":["https://orcid.org/0000-0003-3255-0253"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Teramae, Jun-nosuke","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10448","display_name":"Memory and Neural Mechanisms","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10448","display_name":"Memory and Neural Mechanisms","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10918","display_name":"Memory Processes and Influences","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/engram-cells","display_name":"engram cells","score":0.8550000190734863},{"id":"https://openalex.org/keywords/hippocampal-ca1","display_name":"hippocampal CA1","score":0.9449999928474426},{"id":"https://openalex.org/keywords/place-cells","display_name":"place cells","score":0.8209999799728394},{"id":"https://openalex.org/keywords/context-memory","display_name":"contextual memory","score":0.4909999966621399},{"id":"https://openalex.org/keywords/spatial-memory","display_name":"spatial memory","score":0.675000011920929},{"id":"https://openalex.org/keywords/episodic-memory","display_name":"episodic memory","score":0.8159999847412109},{"id":"https://openalex.org/keywords/information-theoretic-framework","display_name":"information-theoretic framework","score":0.746999979019165},{"id":"https://openalex.org/keywords/first-order-phase-transition","display_name":"first-order phase transition","score":0.7200000286102295}],"concepts":[{"id":"https://openalex.org/C28093023","wikidata":"https://www.wikidata.org/wiki/Q175168","display_name":"Engram","level":2,"score":0.9391999840736389},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.7328000068664551},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.6025999784469604},{"id":"https://openalex.org/C91306197","wikidata":"https://www.wikidata.org/wiki/Q45767","display_name":"Competition (biology)","level":2,"score":0.5174999833106995},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5163999795913696},{"id":"https://openalex.org/C148762608","wikidata":"https://www.wikidata.org/wiki/Q3748185","display_name":"Hippocampal formation","level":2,"score":0.45489999651908875},{"id":"https://openalex.org/C2781161787","wikidata":"https://www.wikidata.org/wiki/Q48360","display_name":"Hippocampus","level":2,"score":0.44440001249313354},{"id":"https://openalex.org/C75291252","wikidata":"https://www.wikidata.org/wiki/Q1315756","display_name":"TRACE (psycholinguistics)","level":2,"score":0.41179999709129333},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3971000015735626},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.3961000144481659},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3630000054836273},{"id":"https://openalex.org/C2776056130","wikidata":"https://www.wikidata.org/wiki/Q1647990","display_name":"Coccolithophore","level":4,"score":0.3287999927997589},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.32510000467300415},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.31119999289512634},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.30000001192092896},{"id":"https://openalex.org/C48455012","wikidata":"https://www.wikidata.org/wiki/Q2892593","display_name":"Memory consolidation","level":3,"score":0.2831000089645386},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.2791000008583069},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2709999978542328},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.2538999915122986}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.32620","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.32620","pdf_url":"https://arxiv.org/pdf/2609.32620","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.32620","doi":"https://doi.org/10.48550/arxiv.2609.32620","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.32620","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.32620","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.32620","pdf_url":"https://arxiv.org/pdf/2609.32620","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214745492.pdf","grobid_xml":"https://content.openalex.org/works/W7214745492.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2883712683","https://openalex.org/W4415796405","https://openalex.org/W3136745559","https://openalex.org/W2105369596","https://openalex.org/W7155014243","https://openalex.org/W4388365465","https://openalex.org/W2164262638","https://openalex.org/W7133018632","https://openalex.org/W7099130923","https://openalex.org/W4312315104"],"abstract_inverted_index":{"Engram":[0],"cells":[1,32,37,88,101],"in":[2],"hippocampal":[3,30],"CA1":[4,69],"represent":[5],"contextual":[6,65,130,179,187],"information":[7,66,131],"associated":[8],"with":[9],"events":[10],"experienced":[11],"by":[12,68],"animals":[13],"and":[14,64,122,129,154,182,205],"constitute":[15],"a":[16,27,107,116,141,145,149,176,198],"cellular":[17],"substrate":[18],"of":[19,29,86,99,109,170,178,186,201],"episodic":[20],"memory.":[21],"Recent":[22],"experiments":[23],"have":[24],"shown":[25],"that":[26,58,74],"subset":[28],"place":[31,87],"is":[33],"recruited":[34,137],"as":[35,89,106,175,197],"engram":[36,45,90,100,123,172,202],"for":[38,83,156,167,193,210],"individual":[39],"contexts.":[40,159],"However,":[41],"the":[42,60,84,97,136,164,168,183],"principle":[43],"governing":[44],"cell":[46,173,203],"allocation":[47,174,204],"across":[48,216],"contexts":[49,82,217],"remains":[50],"unclear.":[51],"Here,":[52],"we":[53,161],"develop":[54],"an":[55],"information-theoretic":[56],"framework":[57],"quantifies":[59],"trade-off":[61],"between":[62,119,127],"spatial":[63,128],"encoded":[67],"neurons.":[70],"Our":[71],"theory":[72,114],"shows":[73],"limited":[75,194],"neural":[76,195],"resources":[77,196],"inevitably":[78],"create":[79],"competition":[80,126,192],"among":[81],"recruitment":[85],"cells.":[91],"Solving":[92],"this":[93],"optimization":[94],"problem":[95],"determines":[96],"fraction":[98,138],"allocated":[102],"to":[103],"each":[104],"context":[105,120],"function":[108,177],"its":[110],"occurrence":[111],"probability.":[112],"The":[113],"predicts":[115],"non-monotonic":[117],"relationship":[118],"probability":[121],"allocation,":[124],"reflecting":[125],"under":[132,218],"resource":[133,219],"constraints.":[134,220],"Consequently,":[135],"emerges":[139],"through":[140],"discontinuous":[142],"transition":[143],"at":[144,151],"critical":[146],"probability,":[147],"reaches":[148],"maximum":[150],"intermediate":[152],"probabilities,":[153],"decreases":[155],"highly":[157],"frequent":[158],"Furthermore,":[160],"analytically":[162],"derive":[163],"phase":[165],"boundary":[166],"emergence":[169],"finite":[171],"input":[180],"strength":[181],"relative":[184],"importance":[185],"information.":[188],"These":[189],"findings":[190],"identify":[191],"key":[199],"determinant":[200],"provide":[206],"experimentally":[207],"testable":[208],"predictions":[209],"how":[211],"memory":[212],"representations":[213],"are":[214],"distributed":[215]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-09-30T00:00:00"}