See What Happens When You Tickle a Rat | National Geographic
2016年12月1日 · By studying how rats react to tickling, scientists are gaining insight into how a brain processes and responds to the sensation. Video courtesy Humboldt Univ...
Tickled rats reveal brain structure that controls laughter
2023年7月28日 · When a rat was squeaking and engaging in play, a distinct region of their PAG lit up with activity. When the rodents were instead placed on a high platform under a strong light, conditions that make rats anxious, they stopped squeaking, and their PAG neurons went dark.
Tickling Rats Reveals a Brain Region Linked to Laughter and Play
2023年7月31日 · To better understand the neural underpinnings of play and laughter, researchers implanted electrodes into the brains of rats. Rat laughter is too high-pitched for human ears to hear, so the...
Rats have a 'laugh centre' in their brains that responds to tickling
2023年7月28日 · Rats have what appears to be a “laugh centre” in their midbrain that is activated when the animals are tickled or when they engage in play behaviours. Researchers first discovered that rats...
Watch these ticklish rats laugh and jump for joy - Science
2016年11月10日 · Best of all, rats display a classic expression of positive emotion, found across many species, including dogs, foxes, lambs, guinea pigs, and human children, called "joy jumps," Ishiyama says. This involves leaping into the air with both legs together, he explains.
Rats Laugh When You Tickle Them - YouTube
2007年6月12日 · They studied this behavior for couple of years before acturally realizing that it is laughter. Soon they got a device which transformed higher frequency sounds to frequencies our auditory system...
Eavesdrop on Ultrasonic Rat Giggles | Scientific American
2016年11月10日 · New research reveals what goes on in a rat’s brain during a tickle attack. Scientists knew rats loved to be tickled, especially on their backs and bellies.
Rats Laugh, but Not Like Humans - Scientific American
2012年7月1日 · Aside from anecdotes, we know very little about nonhuman primate laughter and humor, but some of the most significant findings to emerge in comparative science over the past decade have involved...
Watch What Happens When Scientists Tickle a Rat - National …
2016年11月10日 · To hear their chuckles, the scientists set up a device capable of capturing high frequencies, since rats emit laughter (or “ultrasonic vocalizations”) at levels above our range of hearing.
Scientists Are Tickling Rats And It's Not Just to Make Them Laugh
When researchers in Germany tickled and chased 'giggling' rodents around an open cage, they noticed a part of the rat brain, known as the periaqueductal gray matter (PAG), was especially active. This midbrain region is one of the most ancient and preserved parts of the animal brain.