Latest Breaking News On - Bethany brookshire - Page 4 : comparemela.com

The head and the heart Scientists used light to raise a mouse’sheart rate, increasing anxiety-like behaviors in the animal. Thestudy offers a new angle for studying anxiety disorders, BethanyBrookshire reported in “In mice, anxiety isn’t all in the head”(SN: 4/8/23, p. 9). Reader Barry Maletzky asked why strenuousexercise, which elevates heart rate, doesn’t typically induceanxiety. Heart rate isn’t everything, says neuroscientist KarlDeisseroth of Stanford University. The heart may race, but thebrain provides important context, which is key to the body’sresponse. In the study, elevating a mouse’s heart rate in a neutralenvironment such as a small, dim chamber did not induce anxiousbehaviors, Deisseroth says. The anxious behaviors increased only

Bethany brookshireBarry maletzkyKarl deisserothStanford universityReader barry maletzky