News Neuroscience Nets full of holes catch long-term memories Patterns in perineuronal structures swaddling nerve cells may last a lifetime MEMORY CATCHERS Durable nets (green) wrap around nerve cells throughout this adult mouse brain (three different brain regions shown). Holes in these nets may store long-term memories, a new study suggests. Nerve cells are marked by red and cell nuclei are blue. S. Palida et al Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Laura Sanders October 20, 2015 at 5:30 pm CHICAGO —Tough, stable nets that swaddle nerve cells may be the ultimate memory catchers.