New research reveals that jumping spiders appear to experience visual dreams—and maybe even nightmares
“Spider intelligence”—and spider dreams—“[are] likely to be in most ways completely different from our own,” says, an associate professor at the University of Cincinnati who studies vision and decision-making in jumping spiders and wasn’t involved in the study. “I can’t wait to find out what this new study has opened up for all of us to understand them, on their own terms.
While jumping spiders don’t make webs, “they constantly set little silk anchors wherever they go,” she explains. “They never walk around without leaving a silk trace so in case they jump, they always have a backup line, like a bungee [cord].” From her observations outside, “they seem to really be able to distinguish what is an actual disturbance” and what isn’t, Rößler says.
, a PhD candidate at the University of Massachusetts Amherst, who researches vision in jumping spiders. He and his advisor, Beth Jakob, who’s studied jumping spiders for decades, say they’re eager to reach out to Rößler with ideas for follow-up studies.
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