File:2-point orientation discrimination (2POD) compared to traditional two-point discrimination (2PD).jpg
_compared_to_traditional_two-point_discrimination_(2PD).jpg){kind=small}
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Summary
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English: From Tong et al (2013) doi: 10.3389/fnhum.2013.00579. (A) Performance on a the traditional two-point discrimination (2PD) task. (B) Performance on the two-point orientation discrimination task (2POD). In both cases, the tests were done with a two-interval forced-choice testing procedure. Note that performance on 2PD is well above chance even at zero mm separation, indicating that 2PD is not a valid measure of tactile spatial acuity. By contrast, performance on 2POD falls to chance level (50% correct) as the point separation approaches zero mm, as expected for a valid measure of spatial acuity. |
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| Author | Conejo23 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 21:41, 1 July 2017 | | 1,588 × 482 (143 KB) | Conejo23 | Cross-wiki upload from en.wikipedia.org |
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