Three-dimensional head-direction coding in the bat brain
Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brai...
Ausführliche Beschreibung
Autor*in: |
Arseny Finkelstein [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2015 |
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Rechteinformationen: |
Nutzungsrecht: © COPYRIGHT 2015 Nature Publishing Group |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Nature - London : Macmillan Publishers Limited, part of Springer Nature, 1869, 517(2015), 7533, Seite 159-164 |
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Übergeordnetes Werk: |
volume:517 ; year:2015 ; number:7533 ; pages:159-164 |
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DOI / URN: |
10.1038/nature14031 |
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Katalog-ID: |
OLC1962477207 |
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520 | |a Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. | ||
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650 | 4 | |a Bats | |
650 | 4 | |a Chiroptera - anatomy & histology | |
650 | 4 | |a Chiroptera - physiology | |
650 | 4 | |a Flight, Animal - physiology | |
650 | 4 | |a Head - physiology | |
650 | 4 | |a Orientation - physiology | |
650 | 4 | |a Brain - anatomy & histology | |
650 | 4 | |a Spatial Memory - physiology | |
650 | 4 | |a Space Perception - physiology | |
650 | 4 | |a Brain - cytology | |
650 | 4 | |a Brain - physiology | |
650 | 4 | |a Posture - physiology | |
650 | 4 | |a Brain | |
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700 | 0 | |a Nachum Ulanovsky |4 oth | |
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10.1038/nature14031 doi PQ20160617 (DE-627)OLC1962477207 (DE-599)GBVOLC1962477207 (PRQ)c2767-dfa427cf9ae8100397767adcddbcc75d2b3416ef36f9b8e5cbec44e07f4fc0fe0 (KEY)0072945020150000517753300159threedimensionalheaddirectioncodinginthebatbrain DE-627 ger DE-627 rakwb eng 070 500 DNB 500 AVZ BIODIV fid Arseny Finkelstein verfasserin aut Three-dimensional head-direction coding in the bat brain 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. Nutzungsrecht: © COPYRIGHT 2015 Nature Publishing Group Neurosciences Bats Chiroptera - anatomy & histology Chiroptera - physiology Flight, Animal - physiology Head - physiology Orientation - physiology Brain - anatomy & histology Spatial Memory - physiology Space Perception - physiology Brain - cytology Brain - physiology Posture - physiology Brain Spatial behavior in animals Neurons Physiological aspects Dori Derdikman oth Alon Rubin oth Jakob N Foerster oth Liora Las oth Nachum Ulanovsky oth Enthalten in Nature London : Macmillan Publishers Limited, part of Springer Nature, 1869 517(2015), 7533, Seite 159-164 (DE-627)129292834 (DE-600)120714-3 (DE-576)014473941 0028-0836 nnns volume:517 year:2015 number:7533 pages:159-164 http://dx.doi.org/10.1038/nature14031 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25470055 http://search.proquest.com/docview/1645864588 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OLC-FOR SSG-OLC-SPO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_62 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_100 GBV_ILN_101 GBV_ILN_110 GBV_ILN_120 GBV_ILN_154 GBV_ILN_160 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_267 GBV_ILN_290 GBV_ILN_294 GBV_ILN_601 GBV_ILN_647 GBV_ILN_754 GBV_ILN_2001 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2026 GBV_ILN_2095 GBV_ILN_2116 GBV_ILN_2120 GBV_ILN_2121 GBV_ILN_2173 GBV_ILN_2219 GBV_ILN_2221 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4302 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4317 GBV_ILN_4320 GBV_ILN_4324 GBV_ILN_4700 AR 517 2015 7533 159-164 |
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10.1038/nature14031 doi PQ20160617 (DE-627)OLC1962477207 (DE-599)GBVOLC1962477207 (PRQ)c2767-dfa427cf9ae8100397767adcddbcc75d2b3416ef36f9b8e5cbec44e07f4fc0fe0 (KEY)0072945020150000517753300159threedimensionalheaddirectioncodinginthebatbrain DE-627 ger DE-627 rakwb eng 070 500 DNB 500 AVZ BIODIV fid Arseny Finkelstein verfasserin aut Three-dimensional head-direction coding in the bat brain 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. Nutzungsrecht: © COPYRIGHT 2015 Nature Publishing Group Neurosciences Bats Chiroptera - anatomy & histology Chiroptera - physiology Flight, Animal - physiology Head - physiology Orientation - physiology Brain - anatomy & histology Spatial Memory - physiology Space Perception - physiology Brain - cytology Brain - physiology Posture - physiology Brain Spatial behavior in animals Neurons Physiological aspects Dori Derdikman oth Alon Rubin oth Jakob N Foerster oth Liora Las oth Nachum Ulanovsky oth Enthalten in Nature London : Macmillan Publishers Limited, part of Springer Nature, 1869 517(2015), 7533, Seite 159-164 (DE-627)129292834 (DE-600)120714-3 (DE-576)014473941 0028-0836 nnns volume:517 year:2015 number:7533 pages:159-164 http://dx.doi.org/10.1038/nature14031 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25470055 http://search.proquest.com/docview/1645864588 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OLC-FOR SSG-OLC-SPO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_62 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_100 GBV_ILN_101 GBV_ILN_110 GBV_ILN_120 GBV_ILN_154 GBV_ILN_160 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_267 GBV_ILN_290 GBV_ILN_294 GBV_ILN_601 GBV_ILN_647 GBV_ILN_754 GBV_ILN_2001 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2026 GBV_ILN_2095 GBV_ILN_2116 GBV_ILN_2120 GBV_ILN_2121 GBV_ILN_2173 GBV_ILN_2219 GBV_ILN_2221 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4302 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4317 GBV_ILN_4320 GBV_ILN_4324 GBV_ILN_4700 AR 517 2015 7533 159-164 |
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10.1038/nature14031 doi PQ20160617 (DE-627)OLC1962477207 (DE-599)GBVOLC1962477207 (PRQ)c2767-dfa427cf9ae8100397767adcddbcc75d2b3416ef36f9b8e5cbec44e07f4fc0fe0 (KEY)0072945020150000517753300159threedimensionalheaddirectioncodinginthebatbrain DE-627 ger DE-627 rakwb eng 070 500 DNB 500 AVZ BIODIV fid Arseny Finkelstein verfasserin aut Three-dimensional head-direction coding in the bat brain 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. Nutzungsrecht: © COPYRIGHT 2015 Nature Publishing Group Neurosciences Bats Chiroptera - anatomy & histology Chiroptera - physiology Flight, Animal - physiology Head - physiology Orientation - physiology Brain - anatomy & histology Spatial Memory - physiology Space Perception - physiology Brain - cytology Brain - physiology Posture - physiology Brain Spatial behavior in animals Neurons Physiological aspects Dori Derdikman oth Alon Rubin oth Jakob N Foerster oth Liora Las oth Nachum Ulanovsky oth Enthalten in Nature London : Macmillan Publishers Limited, part of Springer Nature, 1869 517(2015), 7533, Seite 159-164 (DE-627)129292834 (DE-600)120714-3 (DE-576)014473941 0028-0836 nnns volume:517 year:2015 number:7533 pages:159-164 http://dx.doi.org/10.1038/nature14031 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25470055 http://search.proquest.com/docview/1645864588 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OLC-FOR SSG-OLC-SPO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_62 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_100 GBV_ILN_101 GBV_ILN_110 GBV_ILN_120 GBV_ILN_154 GBV_ILN_160 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_267 GBV_ILN_290 GBV_ILN_294 GBV_ILN_601 GBV_ILN_647 GBV_ILN_754 GBV_ILN_2001 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2026 GBV_ILN_2095 GBV_ILN_2116 GBV_ILN_2120 GBV_ILN_2121 GBV_ILN_2173 GBV_ILN_2219 GBV_ILN_2221 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4302 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4317 GBV_ILN_4320 GBV_ILN_4324 GBV_ILN_4700 AR 517 2015 7533 159-164 |
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10.1038/nature14031 doi PQ20160617 (DE-627)OLC1962477207 (DE-599)GBVOLC1962477207 (PRQ)c2767-dfa427cf9ae8100397767adcddbcc75d2b3416ef36f9b8e5cbec44e07f4fc0fe0 (KEY)0072945020150000517753300159threedimensionalheaddirectioncodinginthebatbrain DE-627 ger DE-627 rakwb eng 070 500 DNB 500 AVZ BIODIV fid Arseny Finkelstein verfasserin aut Three-dimensional head-direction coding in the bat brain 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. Nutzungsrecht: © COPYRIGHT 2015 Nature Publishing Group Neurosciences Bats Chiroptera - anatomy & histology Chiroptera - physiology Flight, Animal - physiology Head - physiology Orientation - physiology Brain - anatomy & histology Spatial Memory - physiology Space Perception - physiology Brain - cytology Brain - physiology Posture - physiology Brain Spatial behavior in animals Neurons Physiological aspects Dori Derdikman oth Alon Rubin oth Jakob N Foerster oth Liora Las oth Nachum Ulanovsky oth Enthalten in Nature London : Macmillan Publishers Limited, part of Springer Nature, 1869 517(2015), 7533, Seite 159-164 (DE-627)129292834 (DE-600)120714-3 (DE-576)014473941 0028-0836 nnns volume:517 year:2015 number:7533 pages:159-164 http://dx.doi.org/10.1038/nature14031 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25470055 http://search.proquest.com/docview/1645864588 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OLC-FOR SSG-OLC-SPO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_62 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_100 GBV_ILN_101 GBV_ILN_110 GBV_ILN_120 GBV_ILN_154 GBV_ILN_160 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_267 GBV_ILN_290 GBV_ILN_294 GBV_ILN_601 GBV_ILN_647 GBV_ILN_754 GBV_ILN_2001 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2026 GBV_ILN_2095 GBV_ILN_2116 GBV_ILN_2120 GBV_ILN_2121 GBV_ILN_2173 GBV_ILN_2219 GBV_ILN_2221 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4302 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4317 GBV_ILN_4320 GBV_ILN_4324 GBV_ILN_4700 AR 517 2015 7533 159-164 |
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10.1038/nature14031 doi PQ20160617 (DE-627)OLC1962477207 (DE-599)GBVOLC1962477207 (PRQ)c2767-dfa427cf9ae8100397767adcddbcc75d2b3416ef36f9b8e5cbec44e07f4fc0fe0 (KEY)0072945020150000517753300159threedimensionalheaddirectioncodinginthebatbrain DE-627 ger DE-627 rakwb eng 070 500 DNB 500 AVZ BIODIV fid Arseny Finkelstein verfasserin aut Three-dimensional head-direction coding in the bat brain 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. Nutzungsrecht: © COPYRIGHT 2015 Nature Publishing Group Neurosciences Bats Chiroptera - anatomy & histology Chiroptera - physiology Flight, Animal - physiology Head - physiology Orientation - physiology Brain - anatomy & histology Spatial Memory - physiology Space Perception - physiology Brain - cytology Brain - physiology Posture - physiology Brain Spatial behavior in animals Neurons Physiological aspects Dori Derdikman oth Alon Rubin oth Jakob N Foerster oth Liora Las oth Nachum Ulanovsky oth Enthalten in Nature London : Macmillan Publishers Limited, part of Springer Nature, 1869 517(2015), 7533, Seite 159-164 (DE-627)129292834 (DE-600)120714-3 (DE-576)014473941 0028-0836 nnns volume:517 year:2015 number:7533 pages:159-164 http://dx.doi.org/10.1038/nature14031 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25470055 http://search.proquest.com/docview/1645864588 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OLC-FOR SSG-OLC-SPO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_62 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_100 GBV_ILN_101 GBV_ILN_110 GBV_ILN_120 GBV_ILN_154 GBV_ILN_160 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_267 GBV_ILN_290 GBV_ILN_294 GBV_ILN_601 GBV_ILN_647 GBV_ILN_754 GBV_ILN_2001 GBV_ILN_2002 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2026 GBV_ILN_2095 GBV_ILN_2116 GBV_ILN_2120 GBV_ILN_2121 GBV_ILN_2173 GBV_ILN_2219 GBV_ILN_2221 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4302 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4314 GBV_ILN_4317 GBV_ILN_4320 GBV_ILN_4324 GBV_ILN_4700 AR 517 2015 7533 159-164 |
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Neurosciences Bats Chiroptera - anatomy & histology Chiroptera - physiology Flight, Animal - physiology Head - physiology Orientation - physiology Brain - anatomy & histology Spatial Memory - physiology Space Perception - physiology Brain - cytology Brain - physiology Posture - physiology Brain Spatial behavior in animals Neurons Physiological aspects |
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Arseny Finkelstein @@aut@@ Dori Derdikman @@oth@@ Alon Rubin @@oth@@ Jakob N Foerster @@oth@@ Liora Las @@oth@@ Nachum Ulanovsky @@oth@@ |
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Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. |
abstractGer |
Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. |
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Navigation requires a sense of direction ('compass'), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal's head points to a specific azimuth. However, it remains unclear whether a three-dimensional (3D) compass exists in the brain. Here we conducted neural recordings in bats, mammals well-adapted to 3D spatial behaviours, and found head-direction cells tuned to azimuth, pitch or roll, or to conjunctive combinations of 3D angles, in both crawling and flying bats. Head-direction cells were organized along a functional-anatomical gradient in the presubiculum, transitioning from 2D to 3D representations. In inverted bats, the azimuth-tuning of neurons shifted by 180°, suggesting that 3D head direction is represented in azimuth × pitch toroidal coordinates. Consistent with our toroidal model, pitch-cell tuning was unimodal, circular, and continuous within the available 360° of pitch. Taken together, these results demonstrate a 3D head-direction mechanism in mammals, which could support navigation in 3D space. |
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