Functional connectome gradient predicts clinical symptoms of chronic insomnia disorder.

Insomnia is the second most prevalent psychiatric disorder worldwide, but the understanding of the pathophysiology of insomnia remains fragmented. In this study, we calculated the connectome gradient in 50 chronic insomnia disorder (CID) patients and 38 healthy controls (HC) to assess changes due to insomnia and utilized these gradients in a connectome-based predictive modeling (CPM) to predict clinical symptoms associated with insomnia. The results suggested that insomnia led to significant alterations in the functional gradients of some brain areas.

Optical nanoimaging of laser-switched phase-change plasmonic infrared antennas.

We investigate the plasmonic properties of laser-printed chalcogenide phase-change material InSeTb (IST) antennas through near-field nanoimaging. Antennas of varying lengths were fabricated by laser switching an amorphous IST film into its crystalline metallic state. Near-field imaging elucidates the pronounced field confinement and enhancement at the antenna extremities along with the emergence of different ordered plasmonic modes with increasing length.

Personalized functional network mapping for autism spectrum disorder and attention-deficit/hyperactivity disorder.

Autism spectrum disorder (ASD) and Attention-deficit/hyperactivity disorder (ADHD) are two typical neurodevelopmental disorders that have a long-term impact on physical and mental health. ASD is usually comorbid with ADHD and thus shares highly overlapping clinical symptoms. Delineating the shared and distinct neurophysiological profiles is important to uncover the neurobiological mechanisms to guide better therapy.

Optical nanoimaging of highly-confined phonon polaritons in atomically-thin nanoribbons of α-MoO.

Phonon polaritons (PhPs), collective modes hybridizing photons with lattice vibrations in polar insulators, enable nanoscale control of light. In recent years, the exploration of in-plane anisotropic PhPs has yielded new levels of confinement and directional manipulation of nano-light. However, the investigation of in-plane anisotropic PhPs at the atomic layer limit is still elusive.

Phonon polaritons in van der Waals polar heterostructures for broadband strong light-matter interactions.

Phonon polaritons in polar crystals have recently gained significant attention due to their remarkable confinement and enhancement of electromagnetic fields, low group velocities, and low losses. However, these unique properties, resulting from the coupling between photons and lattice vibrations, exhibit limited spectral responses that may hinder their practical applications. Here, we propose and experimentally demonstrate that polar van der Waals heterostructures can integrate their polar constituents to enable broadband phonon polariton responses.