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Open research questions in Neural dynamics and brain function

655 gap statements mined from Neural dynamics and brain function papers in our 7.9M-paper local library, which holds 2,793 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The lack of an interface to 3D constructs that models sensory pathway-like inputs. The need for a novel device to model cortical pathway-like inputs to a network of cortical neurons. The challenge of using 3D neuronal systems for investigations into cortical information processing.

    Pathway-like Activation of 3D Neuronal Constructs with an Optical Interface · 2025 · DOI

  • The molecular mechanisms involved in the human brain's functioning are not well understood. The possibility that at least some cognitive functions operate at a quantum level is debated. The memory capacity of the brain is not well estimated using conventional neuroscience.

    Holographic Brain Theory: Super-Radiance, Memory Capacity and Control Theory · 2024 · DOI

  • Aging is associated with cognitive decline and memory impairment, but the underlying neural mechanisms remain unclear.

    Impact of aging on theta-gamma phase-amplitude coupling during learning: A multivariate analysis · 2026 · DOI

  • The mechanisms producing such diverse sequences, and their distinct effects on spatial coding and navigation, remain unclear.

    Online Preplay and Offline Replay Optimize Action Selection in a Closed-Loop Navigation Model · 2026

  • Working memory allows primates to reason about complex scenes, yet how the brain maintains multiple objects in memory simultaneously remains unclear.

    Working Memory of Multi-Object Scenes in Primate Frontal Cortex · 2026 · DOI

  • Whether this flexibility is accompanied by changes in the spatial organization of neural population activity remains unclear.

    Task-specific topographic organization of neural activity in the primate lateral prefrontal cortex · 2026 · DOI

  • Yet, the extent to which these measures reflect specific architectural features of the underlying circuits remains poorly understood.

    Inferring structural complexity from dynamical measures · 2026 · DOI

  • However, how the structure of population activity changes across this transition, what circuit mechanisms drive this reorganization, and the implications for information encoding have not been fully established.

    Parvalbumin interneuron maturation reorganizes cortical population activity structure during development · 2026 · DOI

  • Neural population activity can reorganize without disrupting function, but how such changes differ from those associated with pathology remains unknown.

    Artificial hibernation uncovers distinct interaction dynamics in functional and pathological state change · 2026 · DOI

  • Reciprocal interactions between the mediodorsal thalamus (MD) and PFC have been implicated in sustaining this activity, but how thalamofrontal communication is maintained despite the biophysical constraints of repetitive synaptic transmission remains unclear.

    Muscarinic signaling sustains delay-period selectivity in prefrontal cortex by preserving thalamic drive · 2026 · DOI

  • However, little is known regarding whether moment-to-moment fluctuations in cortical activity contribute to variation in somatosensory responses during different postural tasks.

    Transient cortical activity modulates somatosensory gating during postural control · 2026 · DOI

  • Although attentional modulation of gamma-band auditory steady-state response (gamma ASSR) has been widely investigated, variability in feature-level analytical parameter settings undermines cross-study comparability and may partly account for inconsistent findings.

    A LOSO-NTD-Based Analytical Framework With Less Setting-Dependence Reveals Attentional Modulation of Gamma-Band Auditory Steady-State Response · 2026 · DOI

  • With impulsive synaptic inputs, contraction is retained provided that the input events are sparse enough.

    On the contraction of excitable systems · 2026 · DOI

  • The mouse cortex is a canonical model for studying how functional neural networks emerge, yet it remains unclear which topological features arise from intrinsic cellular organization versus external regional cues.

    Establishing mouse forebrain organoids as models of intrinsic cortical network assembly · 2026 · DOI

  • To date, the physiological mechanisms that support visual working memory (WM) remain poorly understood.

    Oscillatory alpha and aperiodic neural correlates of visual working memory and attention · 2026 · DOI

  • Internal attention efficiently prioritizes information in working memory (WM), yet it remains unclear whether it reflects a unified, domain-general mechanism, or a flexible set of operations tailored to the format of selected information.

    Flexibility of internal attention: divergent spatiotemporal profiles for feature and object cueing · 2026 · DOI

  • However, causal evidence to support these differential roles is lacking and the electrophysiological mechanism remains underspecified.

    Validated computational models of compound nerve action potentials · 2025 · DOI

  • However, the neural oscillatory mechanisms supporting this process in childhood remains poorly understood.

    Beta-band modulation reveals the cortical dynamics of auditory statistical learning in children · 2025 · DOI

  • We believe our results also encourage further research into the possible roles that aperiodic exponents estimated from different frequency ranges could have in reflecting distinct aspects of cortical systems.

    Aperiodic Exponent of Brain Field Potentials Is Dependent on the Frequency Range It Is Estimated · 2025 · DOI

  • Given that there is currently no consensus for a single frequency range to be used in either clinical or basic neuroscience, our results show that care should be taken when comparing aperiodic exponents derived from different frequency ranges.

    Aperiodic Exponent of Brain Field Potentials Is Dependent on the Frequency Range It Is Estimated · 2025 · DOI

  • It remains unclear how the heartbeat-related interoceptive pathway affects the neural responses of somatosensory information processing.

    Effects of Cardiac Activity on Somatosensory Evoked High-Frequency Oscillations · 2025 · DOI

  • What alterations occur in sensory representation amidst noise, and how does brain activity adapt to it? Although it has previously been shown that background white noise (WN) decreases responses to salient sounds, a mechanistic understanding of the brain processes responsible for such changes is lacking.

    Background white noise increases neuronal activity by reducing membrane fluctuations and slow-wave oscillations in auditory cortex · 2025 · DOI

  • Investigation of the application of SPHARA to other biosensing platforms - Further validation of the SPHARA approach using different head models and sensor…

    Head-Specific Spatial Spectra of Electroencephalography Explained: A Sphara and BEM Investigation · 2025 · DOI

  • Investigations into cortical information processing, - Studies into the effects of neurodegenerative or psychiatric disorders on cortical computation, - Use of 3D neuronal constructs as biological computers, - Improvement of the energy efficiency…

    Pathway-like Activation of 3D Neuronal Constructs with an Optical Interface · 2025 · DOI

  • Investigating the time-evolution of the prepared system in a hierarchy using the 4th-order Runge-Kutta method. Adopting quantum fields in a hierarchy given in Figure 3. Using a control theory applied to the holographic brain theory given in Appendix C.

    Holographic Brain Theory: Super-Radiance, Memory Capacity and Control Theory · 2024 · DOI

Most-cited papers in Neural dynamics and brain function

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Open questions raised by papers listed on this page include: (1) Aging is associated with cognitive decline and memory impairment, but the underlying neural mechanisms remain unclear (“Impact of aging on theta-gamma phase-amplitude coupling during learning: A…”, 2026); (2) Working memory allows primates to reason about complex scenes, yet how the brain maintains multiple objects in memory simultaneously remains unclear (“Working Memory of Multi-Object Scenes in Primate Frontal Cortex”, 2026); (3) Whether this flexibility is accompanied by changes in the spatial organization of neural population activity remains unclear (“Task-specific topographic organization of neural activity in the primate…”, 2026); (4) The extent to which these measures reflect specific architectural features of the underlying circuits remains poorly understood (“Inferring structural complexity from dynamical measures”, 2026); (5) How the structure of population activity changes across this transition, what circuit mechanisms drive this reorganization, and the implications for information encoding have not been fully established (“Parvalbumin interneuron maturation reorganizes cortical population activity…”, 2026). 655 gap statements have been mined from Neural dynamics and brain function papers in our 7.9M-paper local library, which holds 2,793 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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