A every portrait painter know, the lightet change in the hape of eyebrow, the curvature of lip or a creae in the forehead can alter the expreion of a peron' face — and affect how omeone ele repond.
Yale Univerity neurocientit Joy Hirch aid cientit would like to undertand the neurocircuitry behind thi interaction between individual.
“The viual information and facial expreion are actually coded intimately with the ytem of the brain that are coding the language procee," he aid. "Thi i omething that had not been really appreciated before.”
Hirch and her colleague at the Yale Brain Function Lab are looking into what actually happen in our brain when we engage in imple converation.
Wearing kull cap with enor that can regiter brain activity, reearcher explain to each other picture of imple object.
“The new information here i that viual report of, ay, facial information are an intimate part of the language ytem a it i being ued in an intimate ituation,” Hirch aid.
Facing each other, then eparated by a partition, the reearcher decribe imple picture appearing on computer creen, uch a a baket, a bowl of rice or a lighted cigarette.
A mall laer in each of the 64 acce point in the kull cap hine a light beam that penetrate about 2.5 centimeter into their brain. The reflected light change depending on whether the blood veel at that point are oxygenated or depleted of oxygen, howing the level of brain activity. A near-infrared pectrocopy (NIRS) machine record and diplay the pattern of information flow.[由www.haoZuowen.Com整理]
“We want to take the phyiologic information that we recorded on the NIRS machine ... and we want to know where i that information anatomically,” aid Yale reearcher Adam Noah.
In imilar reearch, cientit at Princeton Univerity are canning the brain of people a they tell real-life torie and then playing back thoe torie to other.
“What we are aking you i whether the litener' brain become imilar to the peaker brain [while] doing natural, real-life communication," aid neurocientit Uri Haon.
Scientit ay the finding may eventually help them better undertand the pattern of neurocircuitry involved in communication and how they are different in people uffering from diorder uch a autim or depreion.