One Dimensional Turing-Like Handshake Test for Motor Intelligence
Identifieur interne : 000247 ( Pmc/Corpus ); précédent : 000246; suivant : 000248One Dimensional Turing-Like Handshake Test for Motor Intelligence
Auteurs : Amir Karniel ; Guy Avraham ; Bat-Chen Peles ; Shelly Levy-Tzedek ; Ilana NiskySource :
- Journal of Visualized Experiments : JoVE [ 1940-087X ] ; 2010.
Abstract
In the Turing test, a computer model is deemed to "think intelligently" if it can generate answers that are not distinguishable from those of a human. However, this test is limited to the linguistic aspects of machine intelligence. A salient function of the brain is the control of movement, and the movement of the human hand is a sophisticated demonstration of this function. Therefore, we propose a Turing-like handshake test, for machine motor intelligence. We administer the test through a telerobotic system in which the interrogator is engaged in a task of holding a robotic stylus and interacting with another party (human or artificial). Instead of asking the interrogator whether the other party is a person or a computer program, we employ a two-alternative forced choice method and ask which of two systems is more human-like. We extract a quantitative grade for each model according to its resemblance to the human handshake motion and name it "Model Human-Likeness Grade" (MHLG). We present three methods to estimate the MHLG. (i) By calculating the proportion of subjects' answers that the model is more human-like than the human; (ii) By comparing two weighted sums of human and model handshakes we fit a psychometric curve and extract the point of subjective equality (PSE); (iii) By comparing a given model with a weighted sum of human and random signal, we fit a psychometric curve to the answers of the interrogator and extract the PSE for the weight of the human in the weighted sum. Altogether, we provide a protocol to test computational models of the human handshake. We believe that building a model is a necessary step in understanding any phenomenon and, in this case, in understanding the neural mechanisms responsible for the generation of the human handshake.
Url:
DOI: 10.3791/2492
PubMed: 21206462
PubMed Central: 3537195
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