eprintid: 1532882 rev_number: 28 eprint_status: archive userid: 608 dir: disk0/01/53/28/82 datestamp: 2016-12-23 15:17:44 lastmod: 2021-09-20 00:06:51 status_changed: 2016-12-23 15:17:44 type: article metadata_visibility: show creators_name: Tan, HM creators_name: Wills, TJ creators_name: Cacucci, F title: The development of spatial and memory circuits in the rat ispublished: pub divisions: UCL divisions: B02 divisions: C08 divisions: D09 divisions: F96 divisions: G02 note: This is the peer reviewed version of the following article: Tan, H. M., Wills, T. J. and Cacucci, F. (2016), The development of spatial and memory circuits in the rat. WIREs Cogn Sci. doi:10.1002/wcs.1424, which has been published in final form at http://dx.doi.org/10.1002/wcs.1424. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. abstract: We provide a concise review of recent studies related to the development of neural circuits supporting spatial navigation and memory in the rat. We chart the relative timeline of the emergence of the four main classes of spatially tuned neurons within the hippocampus and related limbic areas: head direction cells emerge earliest (postnatal day 12, P12), before the eyes of the rats are even open, followed by place cells and boundary responsive cells; grid cells emerge last, around the age of weaning (P21). The rate of maturation is unique to each type of neuron, with the head direction and grid cells showing rapid developmental spurts, in contrast to place cells, which show a more gradual trend of maturation. Interestingly, the emergence of allocentric spatial abilities occurs only after the full complement of spatial neurons becomes functional at P20-21, whereas associative processing in the place cell network is evident from as early as P16. We also present evidence supporting the view that the sensory inputs, which are particularly salient to adult spatial networks, may not be essential for the immature spatial system. Crucially, visual information, although more salient than other sensory modalities for anchoring the adult head direction system, does not appear to be essential for setting up the immature head direction network. We conclude by highlighting an urgent need for new theoretical models that can account for the sequential emergence of spatial cells, as well as the lack of primacy of vision in the early organization of the head direction network. For further resources related to this article, please visit the WIREs website. date: 2017-05 date_type: published official_url: http://dx.doi.org/10.1002/wcs.1424 oa_status: green full_text_type: other language: eng primo: open primo_central: open_green article_type_text: Review verified: verified_manual elements_id: 1196140 doi: 10.1002/wcs.1424 lyricists_name: Cacucci, Francesca lyricists_name: Wills, Thomas lyricists_id: FCACU14 lyricists_id: TJWIL19 actors_name: Cacucci, Francesca actors_id: FCACU14 actors_role: owner full_text_status: public publication: Wiley Interdisciplinary Reviews: Cognitive Science volume: 8 number: 3 article_number: e1424 event_location: United States issn: 1939-5086 citation: Tan, HM; Wills, TJ; Cacucci, F; (2017) The development of spatial and memory circuits in the rat. Wiley Interdisciplinary Reviews: Cognitive Science , 8 (3) , Article e1424. 10.1002/wcs.1424 <https://doi.org/10.1002/wcs.1424>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/1532882/1/tan%20wills%20cacucci%202016.pdf