Brain interfaces rely on more than EEG. This piece maps five ways neural signals are accessed, from muscle activity to intracortical implants, and explains how trade-offs in fidelity, invasiveness, and usability shape real-world systems.

Focused ultrasound can transiently open the blood–brain barrier, but clinical progress now depends on whether access can be converted into reliable, scalable control across patients.

Beacon Biosignals secured $86M in Series B funding and expanded its Takeda collaboration, positioning at-home EEG and sleep data as a scalable biomarker layer inside CNS drug development.

Neurological care still depends on infrequent clinic visits, despite symptoms unfolding daily. By turning smartphones into assessment tools, a new approach is emerging to monitor brain health continuously and remotely.

As neuroscience revisits its electrical roots, a new generation of multimodal imaging is bringing timing and structure back together. Combining EEG and fMRI may offer a clearer view of brain network disorders.