Neuroscience

eLife Assessment

This is an important study that takes a key step towards understanding developmental disorders linked to mutations in the O-GlcNAc transferase enzyme by generating a mouse model harboring the C921Y mutation. While the mechanisms remain open, the study thoroughly examines behavioral and anatomical differences in these mice and provides convincing evidence for behavioral hyperactivity and learning/memory deficits, as well as phenotypic differences in skull and brain formation. This study will be of interest to those studying neurodevelopmental disorders and associated mechanisms.

eLife Assessment

This study uses a Bayesian framework to characterize latent brain state dynamics associated with memory encoding and performance in children, as measured with functional magnetic resonance imaging. The novelty of the approach offers valuable insights into memory-related brain activity, but the consideration of developmental changes in memory and brain dynamics, and the evidence to support the proposed mapping between specific states and distinct aspects of memory, are incomplete. This work will be of interest to researchers interested in cognitive neuroscience and the development of memory.

eLife Assessment

This study presents a well-executed investigation into how the olfactory system disconnects from the environment during sleep and anesthesia, identifying a potential gating mechanism at the earliest synaptic stages of the olfactory bulb. The findings are important, as they challenge current theories by demonstrating that sensory gating occurs in non-thalamic pathways even under controlled airflow conditions. The strength of evidence is solid, supported by rigorous multimodal recordings, although the reliance on anesthetic models to draw conclusions about natural sleep is a limitation that requires further contextualization.

eLife Assessment

This important study links blood-derived dietary content to sustained increases in sleep in the mosquito Aedes aegypti. Using multiple independent approaches, the authors provide convincing evidence for blood-induced changes in sleep. These findings have broad implications for understanding how specialized diets regulate sleep across species and for mosquito vector biology.