Cocaine regulates sensory filtering in cortical pyramidal neurons
Cell Reports, ISSN: 2211-1247, Vol: 42, Issue: 2, Page: 112122
2023
- 7Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Captures7
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Article Description
Exposure to cocaine leads to robust changes in the structure and function of neurons within the mesocorticolimbic pathway. However, little is known about how cocaine influences the processing of information within the sensory cortex. We address this by using patch-clamp and juxtacellular voltage recordings and two-photon Ca 2+ imaging in vivo to investigate the influence of acute cocaine exposure on layer 2/3 (L2/3) pyramidal neurons within the primary somatosensory cortex (S1). Here, cocaine dampens membrane potential state transitions and decreases spontaneous somatic action potentials and Ca 2+ transients. In contrast to the uniform decrease in background spontaneous activity, cocaine has a heterogeneous influence on sensory encoding, increasing tactile-evoked responses in dendrites that do not typically encode sensory information and decreasing responses in those dendrites that are more reliable sensory encoders. Combined, these findings suggest that cocaine acts as a filter that suppresses background noise to selectively modulate incoming sensory information.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S221112472300133X; http://dx.doi.org/10.1016/j.celrep.2023.112122; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85147982749&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/36790932; https://linkinghub.elsevier.com/retrieve/pii/S221112472300133X; https://dx.doi.org/10.1016/j.celrep.2023.112122
Elsevier BV
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