Bayes-Like Integration of a New Sensory Skill with Vision
Bayes-Like Integration of a New Sensory Skill with Vision
复制标题
新感官技能与视觉的贝叶斯式整合
DOI:
10.1101/232579
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Negen J
中科院分区:
文献类型:
--
作者:
Negen J
Humans are highly effective at dealing with noisy, probabilistic information,. One hallmark of this is Cue Combination: combining two independent noisy sensory estimates to increase precision beyond the best single estimate-. Surprisingly, this is not achieved until 10-12 years of age-despite other multisensory skills appearing in infancy-. It is unclear if this lack of integration before 10-12 years of age is due to maturation or experience with specific cues. The “experience” account predicts that adults learning new cues would fail to combine them for many years . Here we show, in contrast, that adults rapidly combine a novel audio cue akin to human echolocation-with vision. Following two hours of training to judge distance using the novel echo cue, echo-naïve subjects were more precise given both cues together versus the best single cue. This ability also transferred to stimuli and reliability levels beyond those trained, showing learning beyond a simple decision rule with specific stimuli . These results indicate that humans develop general-purpose cue combination abilities as they mature. The discovery of people’s ability to immediately integrate new signals into their existing repertoire further suggests an optimistic outlook on substituting or augmenting human senses.
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