Ha a robotok is képesek lennének rá, a testbeszéd fontos szerepet tölthetne be az ember-gép kommunikációban.
Despite becoming increasingly lifelike in appearance, robots still have terrible body language.
But Bilge Mutlu and colleague's team at Carnegie Mellon University, is changing that with robots that "leak" non-verbal information through eye movements when interacting with humans. The eyes of a robot may not provide a window into its soul, but they can help humans guess the machine's intentions. Humans constantly give off non-verbal cues and interpret the signals of others – but without realising it at a conscious level. Mutlu's team tested strategies to improve robot body language using a guessing game played by a human and a humanoid robot. The robot is programmed to choose one object from around a dozen resting on a table, without making a move to actually pick it up. The human must work out the object it has mentally selected, through a series of yes and no questions. The 26 participants involved in the study took on average 5.5 questions to work out the correct object when the robot simply sat motionless across the table and answered verbally. In the second trial, it answered in exactly the same way, but also swivelled its eyes to glance at its chosen object in the brief pause before answering two of the first three questions. When faced with a robot "leaking" information like that, the same 26 participants needed fewer questions to identify the correct object – an average of just 5.0 and a statistically significant result. When the robot in question was the lifelike Geminoid with realistic rubbery skin, around three-quarters of participants said they hadn't noticed the short glances. But the fact their scores improved suggests they subconsciously detected the signals. The study suggests that people make attributions of intentionality and mental states to robots like they do humans, he says, although apparently only as long as the robot appears to be lifelike.
IT3 komment: A robotokkal folytatott interakció mindaddig behatárolt, esetleges marad, amíg kommunikációs készségeik jelentős javulást nem mutatnak. Általános tapasztalat, hogy a jelenlegi legkomplexebb, legfejlettebb modellek is egy bizonyos, viszonylag rövid idő után képtelenek az intelligencia látszatát keltő érintkezésre. A feladatot az is bonyolítja, hogy a kommunikáció számunkra magától értetődő, nem verbális elemei nehezen fordíthatók le gépi „gesztusnyelv”-re.
Forrás: www.newscientist.com
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