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Comput. Eng."],"published-print":{"date-parts":[[2024,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Biologically plausible spiking neural network models of sensory cortices can be instrumental in understanding and validating their principles of computation. Models based on Cortical Computational Primitives (CCPs), such as Hebbian plasticity and Winner-Take-All (WTA) networks, have already been successful in this approach. However, the specific nature and roles of CCPs in sensorimotor cortices during cognitive tasks are yet to be fully deciphered. The evolution of motor intention in the Posterior Parietal Cortex (PPC) before arm-reaching movements is a well-suited cognitive process to assess the effectiveness of different CCPs. To this end, we propose a biologically plausible model composed of heterogeneous spiking neurons which implements and combines multiple CCPs, such as multi-timescale learning and soft WTA modules. By training the model to replicate the dynamics of <jats:italic>in-vivo<\/jats:italic> recordings from non-human primates, we show how it is effective in generating meaningful representations from unbalanced input data, and in faithfully reproducing the transition from motor planning to action selection. Our findings elucidate the importance of distributing spike-based plasticity across multi-timescales, and provide an explanation for the role of different CCPs in models of frontoparietal cortical networks for performing multisensory integration to efficiently inform action execution.<\/jats:p>","DOI":"10.1088\/2634-4386\/ad850f","type":"journal-article","created":{"date-parts":[[2024,10,9]],"date-time":"2024-10-09T22:50:21Z","timestamp":1728514221000},"page":"044003","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Spike-based computational primitives to reproduce neural dynamics in the parietal cortex during motor preparation"],"prefix":"10.1088","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-2558-7067","authenticated-orcid":true,"given":"L","family":"Parrilla","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0730-4088","authenticated-orcid":true,"given":"M","family":"Filippini","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7034-7013","authenticated-orcid":true,"given":"D","family":"Zendrikov","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0079-3755","authenticated-orcid":true,"given":"P","family":"Fattori","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7109-1689","authenticated-orcid":true,"given":"G","family":"Indiveri","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2024,10,23]]},"reference":[{"key":"ncead850fbib1","doi-asserted-by":"publisher","first-page":"1299","DOI":"10.1126\/science.3045969","article-title":"Computational neuroscience","volume":"241","author":"Sejnowski","year":"1988","journal-title":"Science"},{"key":"ncead850fbib2","doi-asserted-by":"publisher","first-page":"631-649.e10","DOI":"10.1016\/j.neuron.2022.12.007","article-title":"The centrality of population-level factors to network computation is demonstrated by a versatile approach for training spiking networks","volume":"111","author":"DePasquale","year":"2023","journal-title":"Neuron"},{"key":"ncead850fbib3","doi-asserted-by":"publisher","first-page":"2519","DOI":"10.1162\/089976600300014827","article-title":"On the computational power of winner-take-all","volume":"12","author":"Maass","year":"2000","journal-title":"Neural Comput."},{"key":"ncead850fbib4","doi-asserted-by":"publisher","first-page":"139","DOI":"10.1146\/annurev.neuro.24.1.139","article-title":"Synaptic modification by correlated activity: Hebb\u2019s postulate revisited","volume":"24","author":"Bi","year":"2001","journal-title":"Annu. 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