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Lookup NU author(s): Dr Luke BashfordORCiD
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© 2022 Annual Reviews Inc. All rights reserved.Traditional brain-machine interfaces decode cortical motor commands to control external devices. These commands are the product of higher-level cognitive processes, occurring across a network of brain areas, that integrate sensory information, plan upcoming motor actions, and monitor ongoing movements. We review cognitive signals recently discovered in the human posterior parietal cortex during neuroprosthetic clinical trials. These signals are consistent with small regions of cortex having a diverse role in cognitive aspects of movement control and body monitoring, including sensorimotor integration, planning, trajectory representation, somatosensation, action semantics, learning, and decision making. These variables are encoded within the same population of cells using structured representations that bind related sensory and motor variables, an architecture termed partially mixed selectivity. Diverse cognitive signals provide complementary information to traditional motor commands to enable more natural and intuitive control of external devices.
Author(s): Andersen RA, Aflalo T, Bashford L, Bjanes D, Kellis S
Publication type: Review
Publication status: Published
Journal: Annual Review of Psychology
Year: 2022
Volume: 73
Pages: 131-158
Print publication date: 01/01/2022
Acceptance date: 02/04/2018
ISSN (print): 0066-4308
ISSN (electronic): 1545-2085
Publisher: Annual Reviews Inc.
URL: https://doi.org/10.1146/annurev-psych-030221-030214
DOI: 10.1146/annurev-psych-030221-030214
PubMed id: 34982594
