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299123 occurrences (No.77 in the rank) during 5 years in the PubMed. [no cache] 500 found

147) Is remapping purely local or do place fields in neighboring, unaffected, regions detect the change? We recorded place cells as rats foraged across a 4-compartment environment and report 3 new findings.

--- ABSTRACT ---

PMID:23945240 DOI:10.1093/cercor/bht198

2015 Cerebral cortex (New York, N.Y. : 1991)

* Place field repetition and purely local remapping in a multicompartment environment.

- Hippocampal place cells support spatial memory using sensory information from the environment and self-motion information to localize their firing fields. Currently, there is disagreement about whether CA1 place cells can use pure self-motion information to disambiguate different compartments in environments containing multiple visually identical compartments. Some studies report that place cells can disambiguate different compartments, while others report that they do not. Furthermore, while numerous studies have examined remapping, there has been little examination of remapping in different subregions of a single environment. Is remapping purely local or do place fields in neighboring, unaffected, regions detect the change? We recorded place cells as rats foraged across a 4-compartment environment and report 3 new findings. First, we find that, unlike studies in which rats foraged in 2 compartments, place fields showed a high degree of spatial repetition with a slight degree of rate-based discrimination. Second, this repetition does not diminish with extended experience. Third, remapping was found to be purely local for both geometric change and contextual change. Our results reveal the limited capacity of the path integrator to drive pattern separation in hippocampal representations, and suggest that doorways may play a privileged role in segmenting the neural representation of space.

--- ABSTRACT END ---

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(1)88 suggest	(15)10 revealed	(29)3 for	(43)2 during
(2)27 indicate	(16)9 may	(30)3 highlighted	(44)2 give
(3)24 of	(17)8 show	(31)3 imply	(45)2 hold
(4)23 null	(18)7 showed	(32)3 indicated	(46)2 implicate
(5)23 from	(19)7 underscore	(33)3 regarding	(47)2 into
(6)17 are	(20)6 to	(34)3 that	(48)2 is
(7)17 support	(21)5 suggested	(35)3 the	(49)2 lend
(8)14 provide	(22)4 also	(36)3 will	(50)2 or
(9)12 have	(23)4 included	(37)2 add	(51)2 point
(10)12 highlight	(24)4 on	(38)2 at	(52)2 provided
(11)12 in	(25)4 reveal	(39)2 by	(53)2 related
(12)12 were	(26)4 we	(40)2 call	(54)2 should
(13)11 and	(27)3 could	(41)2 confirm	(55)2 suggesting
(14)10 demonstrate	(28)3 demonstrated	(42)2 contribute	(56)2 suggestive

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--- WordNet output for findings --- =>研究(調査)結果 Overview of noun findings The noun findings has 1 sense (no senses from tagged texts) 1. findings -- (a collection of tools and other articles used by an artisan to make jewelry or clothing or shoes) Overview of noun finding The noun finding has 3 senses (first 3 from tagged texts) 1. (16) determination, finding -- (the act of determining the properties of something, usually by research or calculation; "the determination of molecular structures") 2. (3) finding -- (the decision of a court on issues of fact or law) 3. (1) finding -- (something that is found; "the findings in the gastrointestinal tract indicate that he died several hours after dinner"; "an area rich in archaeological findings") --- WordNet end ---