[Demo list ] SCGB Investigators and Others June 2023

A list by Mark Williams

From the bioRxiv: A Selection of Recently Posted Papers from SCGB Investigators and Others

26 articlesLast updated

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  4. Neural coding of multiple motion speeds in visual cortical area MT

    1. Xin Huang
    2. Bikalpa Ghimire
    3. Anjani Sreeprada Chakrala
    4. Steven Wiesner

    • Curated by eLife

      eLife Assessment

      This study concerns how macaque visual cortical area MT represents stimuli composed of more than one speed of motion. The study is valuable because little is known about how the visual pathway segments and preserves information about multiple stimuli, and the study involves perceptual reports from both humans and one monkey regarding whether there are one or two speeds in the stimulus. The study presents compelling evidence that (on average) MT neurons shift from faster-speed-takes-all at low speeds to representing the average of the two speeds at higher speeds. Ultimately, this study raises intriguing questions about how exactly the response patterns in visual cortical area MT might preserve information about each speed, since such information could potentially be lost in an average response as described here, depending on assumptions about how MT activity is evaluated by other visual areas.

    Reviewed by eLife

    8 evaluationsAppears in 2 listsLatest version Latest activity

  11. Factorized visual representations in the primate visual system and deep neural networks

    1. Jack W Lindsey
    2. Elias B Issa

    • Curated by eLife

      eLife assessment

      The study makes a valuable empirical contribution to our understanding of visual processing in primates and deep neural networks, with a specific focus on the concept of factorization. The analyses provide convincing evidence that high factorization scores are correlated with neural predictivity. This work will be of interest to systems neuroscientists studying vision and could inspire further research that ultimately may lead to better models of or a better understanding of the brain.

    Reviewed by eLife

    8 evaluationsAppears in 2 listsLatest version Latest activity

  14. Learning shapes neural geometry in the prefrontal cortex

    1. Michał J. Wójcik
    2. Jake P. Stroud
    3. Dante Wasmuht
    4. Makoto Kusunoki
    5. Mikiko Kadohisa
    6. Mark J. Buckley
    7. Nicholas E. Myers
    8. Laurence T. Hunt
    9. John Duncan
    10. Mark G. Stokes
    Appears in 1 listLatest version

  15. Nonlinear sensitivity to acoustic context is a stable feature of neuronal responses to complex sounds in auditory cortex of awake mice

    1. Marios Akritas
    2. Alex G Armstrong
    3. Jules M Lebert
    4. Arne F Meyer
    5. Maneesh Sahani
    6. Jennifer F Linden

    • Curated by eLife

      eLife assessment

      This study provides important findings regarding the stability over time of the response properties of neurons in the auditory cortex, including their nonlinear sensitivity to sound context. The data obtained from chronic recordings combined with nonlinear stimulus-response estimation provide convincing evidence that auditory cortical representations are stable over a period of days to weeks. While this study should be of widespread interest to sensory neuroscientists, the paper would be strengthened by a more thorough assessment and discussion of the effects of context and of the stability of the responses, as well as by the inclusion of more information about the location and types of neurons that were sampled.

    Reviewed by eLife

    5 evaluationsAppears in 2 listsLatest version Latest activity
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