Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination.
Previous psychophysical studies have reported conflicting results concerning the effects of short-term visual deprivation upon tactile acuity. Some studies have found that 45 to 90 minutes of total light deprivation produce significant improvements in participants' tactile acuity as measured wi...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2014-01-01
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| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC4232490?pdf=render |
| _version_ | 1818610985299083264 |
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| author | Charles E Crabtree J Farley Norman |
| author_facet | Charles E Crabtree J Farley Norman |
| author_sort | Charles E Crabtree |
| collection | DOAJ |
| description | Previous psychophysical studies have reported conflicting results concerning the effects of short-term visual deprivation upon tactile acuity. Some studies have found that 45 to 90 minutes of total light deprivation produce significant improvements in participants' tactile acuity as measured with a grating orientation discrimination task. In contrast, a single 2011 study found no such improvement while attempting to replicate these earlier findings. A primary goal of the current experiment was to resolve this discrepancy in the literature by evaluating the effects of a 90-minute period of total light deprivation upon tactile grating orientation discrimination. We also evaluated the potential effect of short-term deprivation upon haptic 3-D shape discrimination using a set of naturally-shaped solid objects. According to previous research, short-term deprivation enhances performance in a tactile 2-D shape discrimination task - perhaps a similar improvement also occurs for haptic 3-D shape discrimination. The results of the current investigation demonstrate that not only does short-term visual deprivation not enhance tactile acuity, it additionally has no effect upon haptic 3-D shape discrimination. While visual deprivation had no effect in our study, there was a significant effect of experience and learning for the grating orientation task - the participants' tactile acuity improved over time, independent of whether they had, or had not, experienced visual deprivation. |
| first_indexed | 2024-12-16T15:23:08Z |
| format | Article |
| id | doaj.art-f060afce1c534b8fb730ad1746919f84 |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-16T15:23:08Z |
| publishDate | 2014-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-f060afce1c534b8fb730ad1746919f842022-12-21T22:26:34ZengPublic Library of Science (PLoS)PLoS ONE1932-62032014-01-01911e11282810.1371/journal.pone.0112828Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination.Charles E CrabtreeJ Farley NormanPrevious psychophysical studies have reported conflicting results concerning the effects of short-term visual deprivation upon tactile acuity. Some studies have found that 45 to 90 minutes of total light deprivation produce significant improvements in participants' tactile acuity as measured with a grating orientation discrimination task. In contrast, a single 2011 study found no such improvement while attempting to replicate these earlier findings. A primary goal of the current experiment was to resolve this discrepancy in the literature by evaluating the effects of a 90-minute period of total light deprivation upon tactile grating orientation discrimination. We also evaluated the potential effect of short-term deprivation upon haptic 3-D shape discrimination using a set of naturally-shaped solid objects. According to previous research, short-term deprivation enhances performance in a tactile 2-D shape discrimination task - perhaps a similar improvement also occurs for haptic 3-D shape discrimination. The results of the current investigation demonstrate that not only does short-term visual deprivation not enhance tactile acuity, it additionally has no effect upon haptic 3-D shape discrimination. While visual deprivation had no effect in our study, there was a significant effect of experience and learning for the grating orientation task - the participants' tactile acuity improved over time, independent of whether they had, or had not, experienced visual deprivation.http://europepmc.org/articles/PMC4232490?pdf=render |
| spellingShingle | Charles E Crabtree J Farley Norman Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination. PLoS ONE |
| title | Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination. |
| title_full | Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination. |
| title_fullStr | Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination. |
| title_full_unstemmed | Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination. |
| title_short | Short-term visual deprivation, tactile acuity, and haptic solid shape discrimination. |
| title_sort | short term visual deprivation tactile acuity and haptic solid shape discrimination |
| url | http://europepmc.org/articles/PMC4232490?pdf=render |
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