Required only for FRONTIERS proposals, FY 2021 competition
Program Guidelines: NSF 21-517
The complexities of brain and behavior pose fundamental questions in many areas of science and engineering, drawing intense interest across a broad spectrum of disciplinary perspectives while eluding explanation by any one of them. Rapid advances within and across disciplines are leading to an increasingly interwoven fabric of theories, models, empirical methods and findings, and educational approaches, opening new opportunities to understand complex aspects of neural and cognitive systems ...
More at https://www.nsf.gov/funding/pgm_summ.jsp?pims_id=505132&WT.mc_id=USNSF_39&WT.mc_ev=click
This is an NSF Upcoming Due Dates item.