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Self-organizing non-Euclidean representations in the brain
Published on Feb 05, 20143856 Views
In 2005, so-called grid cells have been discovered in the rodent brain. With their activity, grid cells express a remarkably regular metric tessellation of a flat surface - a triangular grid. Their sp
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Chapter list
Spacebrain - 100:00
Spacebrain - 201:45
The Hippocampus - 102:46
The Hippocampus - 204:21
The Hippocampus - 305:17
The Hippocampus - 406:02
The Hippocampus - 506:10
but… has it always been like that? - 107:14
but… has it always been like that? - 208:08
but… has it always been like that? - 309:02
but… has it always been like that? - 410:59
but… has it always been like that? - 511:02
but… has it always been like that? - 611:04
but… has it always been like that? - 712:02
Is the hippocampuswhat we use to navigate? - 112:34
Is the hippocampuswhat we use to navigate? - 213:19
Is the hippocampuswhat we use to navigate? - 315:56
Laura and a rat - 118:06
Laura and a rat - 218:58
Neurophysiology 19:46
Neurophysiology and Neuroanatomy - 120:37
Neurophysiology and Neuroanatomy - 221:29
Cells in dorsal medial entorhinal cortex have multiple dispersed fields21:36
Multiple place fields in entorhinal cortex become single fields in CA323:22
Torkell Hafting - 123:45
Torkell Hafting - 223:56
Torkell Hafting - 325:06
Just look at one grid cell … - 126:05
Just look at one grid cell … - 226:41
Just look at one grid cell … - 326:55
Just look at one grid cell … - 426:58
Just look at one grid cell … - 527:00
Just look at one grid cell … - 627:30
Just look at one grid cell … - 727:43
Consider what happens in the hippocampus when changing context30:39
Neurophysiology and Neutral Computation - 139:41
Neurophysiology and Neutral Computation - 240:24
Neurophysiology and Neutral Computation - 340:59
Neurophysiology and Neutral Computation - 441:45
Different boxes in the same experiment - 141:53
Different boxes in the same experiment - 243:10
Observation of the coherence between grid maps - 143:43
Observation of the coherence between grid maps - 243:46
The intrinsic structure of the map - 143:48
The intrinsic structure of the map - 243:50
Many models have been proposed ... - 144:05
Many models have been proposed ... - 245:07
Many models have been proposed ... - 345:23
Many models have been proposed ... - 445:51
Many models have been proposed ... - 546:08
Grid cells may slowly self-organize - 146:37
Grid cells may slowly self-organize - 246:58
Grid cells may slowly self-organize - 347:20
Grid cells may slowly self-organize - 447:25
How to decide which model isright?48:19
Hyperbolic ”pseudosphere”49:54
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 150:26
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 250:56
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 351:13
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 451:27
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 551:36
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 651:46
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 752:06
... a simpler experimental test of the adaptation model is to raise rodents either in or ona ball - 853:11
What to expect in 3D? - 153:42
What to expect in 3D? - 253:43
Free-energy landscape53:49
GRidmap56:27