A 3D-printed modular implant for extracellular recordings.

Background: Chronic implants for neural data acquisition must meet several criteria that can be difficult to integrate. Surgical procedures should be as short as possible to reduce unnecessary stress and risks, yet implants must precisely fit to the location of interest and last long periods of time. Implants also must be lightweight but stable enough to withstand the subject's daily life and experimental needs.

Working memory performance is tied to stimulus complexity.

Working memory is the cognitive capability to maintain and process information over short periods. Behavioral and computational studies have shown that visual information is associated with working memory performance. However, the underlying neural correlates remain unknown.