{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T16:05:13Z","timestamp":1753891513756,"version":"3.41.2"},"reference-count":53,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,4,12]],"date-time":"2023-04-12T00:00:00Z","timestamp":1681257600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002241","name":"Japan Science and Technology Agency","doi-asserted-by":"publisher","award":["JPMJCR17A4"],"award-info":[{"award-number":["JPMJCR17A4"]}],"id":[{"id":"10.13039\/501100002241","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP22K15622"],"award-info":[{"award-number":["JP22K15622"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Comput. Neurosci."],"abstract":"<jats:p>Excitatory and inhibitory neurons are fundamental components of the brain, and healthy neural circuits are well balanced between excitation and inhibition (E\/I balance). However, it is not clear how an E\/I imbalance affects the self-organization of the network structure and function in general. In this study, we examined how locally altered E\/I balance affects neural dynamics such as the connectivity by activity-dependent formation, the complexity (multiscale entropy) of neural activity, and information transmission. In our simulation, a spiking neural network model was used with the spike-timing dependent plasticity rule to explore the above neural dynamics. We controlled the number of inhibitory neurons and the inhibitory synaptic weights in a single neuron group out of multiple neuron groups. The results showed that a locally increased E\/I ratio strengthens excitatory connections, reduces the complexity of neural activity, and decreases information transmission between neuron groups in response to an external input. Finally, we argued the relationship between our results and excessive connections and low complexity of brain activity in the neuropsychiatric brain disorders.<\/jats:p>","DOI":"10.3389\/fncom.2023.1169288","type":"journal-article","created":{"date-parts":[[2023,4,12]],"date-time":"2023-04-12T04:54:15Z","timestamp":1681275255000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Spike timing-dependent plasticity under imbalanced excitation and inhibition reduces the complexity of neural activity"],"prefix":"10.3389","volume":"17","author":[{"given":"Jihoon","family":"Park","sequence":"first","affiliation":[]},{"given":"Yuji","family":"Kawai","sequence":"additional","affiliation":[]},{"given":"Minoru","family":"Asada","sequence":"additional","affiliation":[]}],"member":"1965","published-online":{"date-parts":[[2023,4,12]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pcbi.1008958","article-title":"Balanced networks under spike-time dependent plasticity","author":"Akil","year":"2021","journal-title":"PLoS Comput. 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