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Working memory control dynamics follow principles of spatial computing

Lundqvist, Mikael (författare)
Karolinska Institutet
Brincat, Scott L (författare)
The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, 43 Vassar Street, Cambridge, MA, 02139, USA, 43 Vassar Street
Rose, Jonas (författare)
The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, 43 Vassar Street, Cambridge, MA, 02139, USA, 43 Vassar Street; Faculty of Psychology, Neural Basis of Learning, Ruhr University Bochum, 44801, Bochum, Germany
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Warden, Melissa R (författare)
The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, 43 Vassar Street, Cambridge, MA, 02139, USA, 43 Vassar Street; Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, 14853, USA
Buschman, Timothy J (författare)
The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, 43 Vassar Street, Cambridge, MA, 02139, USA, 43 Vassar Street; Princeton Neuroscience Institute, Princeton University, Washington Rd., Princeton, NJ, 08540, USA, Washington Rd.
Miller, Earl K (författare)
The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, 43 Vassar Street, Cambridge, MA, 02139, USA, 43 Vassar Street
Herman, Pawel, 1979- (författare)
KTH,Beräkningsvetenskap och beräkningsteknik (CST)
Lundqvist, Mikael (författare)
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ISSN 2041-1723
2023-03-14
2023
Engelska.
Ingår i: Nature communications. - Stockholm : Karolinska Institutet, Dept of Clinical Neuroscience. - 2041-1723.
Relaterad länk:
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Working memory (WM) allows us to remember and selectively control a limited set of items. Neural evidence suggests it is achieved by interactions between bursts of beta and gamma oscillations. However, it is not clear how oscillations, reflecting coherent activity of millions of neurons, can selectively control individual WM items. Here we propose the novel concept of spatial computing where beta and gamma interactions cause item-specific activity to flow spatially across the network during a task. This way, control-related information such as item order is stored in the spatial activity independent of the detailed recurrent connectivity supporting the item-specific activity itself. The spatial flow is in turn reflected in low-dimensional activity shared by many neurons. We verify these predictions by analyzing local field potentials and neuronal spiking. We hypothesize that spatial computing can facilitate generalization and zero-shot learning by utilizing spatial component as an additional information encoding dimension.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Neurosciences (hsv//eng)

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