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Developmental and epileptic encephalopathies are devastating neurological disorders. Here, the authors establish a cohort of patients with variants in the gene DENND5A and use human stem cells to discover a disease mechanism involving altered cell division.

Ziegler, Hauser et al. report brain-wide, myelin-related microstructural growth from adolescence to adulthood and show that this longitudinal growth is reduced in the presence of compulsivity and impulsivity traits.

Implementation of a self-referral chatbot for mental healthcare services increased access substantially in a large multicenter study, with a much larger effect on minority individuals.

Artificial intelligence has become popular as a cancer classification tool, but there is distrust of such systems due to their lack of transparency. Here, the authors develop an explainable AI system which produces text- and region-based explanations alongside its classifications which was assessed using clinicians’ diagnostic accuracy, diagnostic confidence, and their trust in the system.

The study demonstrates that the C2 ___domain-containing protein CaLB1 interacts with and induces phase separation of the ESCRT protein ALIX on autophagosomes. This modulates autophagosome maturation, particularly in response to salt stress, in Arabidopsis.

The authors examined how family experiences are linked to the development of trust in adolescence and young adulthood. They show that trust increases over time but self-reported family adversity can hinder this, and trust may act as a resilience factor in maintaining positive peer relations.

Intense, coherent X-ray pulses from a free-electron laser can be used to obtain high-resolution morphology of individual sub-micrometre particles in their native state, while at the same time their composition is analysed by mass spectrometry.

People often ignore evidence that disconfirms their prior beliefs. Here, the authors investigate the underlying cognitive, computational and neuronal mechanisms of such confirmation bias, and show that high confidence induces a selective neural processing of choice-consistent information.

The endocytic degradation of plasma membrane proteins can be modulated by deubiquitylating enzymes (DUBs). Here, the authors describe two plasma membrane localized Arabidopsis DUBs that can be activated by binding to anionic lipids and influence the endocytic transport of plasma membrane proteins.

Fibroblasts are an established cell type permissive for cytomegalovirus infection. Here the authors identify a population of fibroblast cells that can support murine cytomegalovirus lytic and latent virus infection in vivo and propose STAT1 as critically involved in murine cytomegalovirus latency.

Integration of GWAS and single-cell transcriptomic data from the entire nervous system systematically identifies cell types underlying brain complex traits and provides insights into the etiology of Parkinson’s disease.

Personalised medicine requires cell cultures from defined genetic backgrounds, but providing sufficient numbers of cells is a challenge. Here the authors develop gene cocktails to expand primary cells from a variety of different tissues and species, and show that expanded endothelial and hepatic cells retain properties of the differentiated phenotype.

The human brain can simulate other people’s mental processes with Self-specific and Other-specific neural circuits, but it is not known how these circuits emerge. Here, the authors show that these circuits adapt to social experience, to determine whether a computation is attributed to Self or Other.

Analyses of primary and relapse samples of embryonal tumours with multilayered rosettes provide insights into the molecular mechanisms that underlie the development and opportunities for the treatment of this deadly disease.

Cortex morphology varies with age, cognitive function, and in neurological and psychiatric diseases. Here the authors report 160 genome-wide significant associations with thickness, surface area and volume of the total cortex and 34 cortical regions from a GWAS meta-analysis in 22,824 adults.

Large-scale incinerators can remove engineered nanoparticles from flue gas and loosely trap them in solid combustion residues.

People often change their preferences to conform with others. Using a longitudinal design, the authors show that such conformity decreases over the course of adolescence and that this reduction in conformity is accompanied by a decreasing degree of uncertainty about what to like.

The measurement of the total cross-section of proton–proton collisions is of fundamental importance for particle physics. Here, the first measurement of the inelastic cross-section is presented for proton–proton collisions at an energy of 7 teraelectronvolts using the ATLAS detector at the Large Hadron Collider.

GestaltMatcher uses a deep convolutional neural network to improve recognition of rare disorders based on facial morphology. The framework detects similarities among patients with previously unseen syndromes, aiding discovery of new disease genes.

To study cognition, researchers have traditionally used laboratory-based experiments, but games offer a valuable alternative: they are intuitive and enjoyable. In this Perspective, Schulz et al. discuss the advantages and drawbacks of games and give recommendations for researchers.

Deciding between known rewarding options and exploring novel avenues is central to decision making. Humans show variability in their exploration. Here, the authors show that impulsivity is associated to an increased usage of a cognitively cheap (and sometimes sub-optimal) exploration strategy.

Transcranial electrical stimulation (tES) can be used in combination with functional MRI (fMRI) to study brain functions. This Consensus Statement provides a checklist for reporting concurrent tES-fMRI research.

Recurrent histone mutations are linked to paediatric glioblastoma multiforme, an aggressive type of brain tumour.

John Rioux, Andre Franke, Tom Karlsen and colleagues perform a fine-mapping study of the HLA region in Crohn's disease and ulcerative colitis. They identify a primary role for HLA-DRB1*01:03 in both diseases and find evidence of heterozygous advantage in protection against ulcerative colitis.

Reinke et. al. show that targeting host proteins like cathepsins is a promising strategy for treating SARS-CoV-2 and other viral infections due to their mutational stability in contrast to highly mutable viral targets.