Delayed Match-to-Sample Early Performance Decrement in Monkeys after 60 Co Irradiation
Sixteen monkeys were trained on a delayed match-to-sample task (DMTS) based on shock avoidance and irradiated with single, whole-body exposures of from 396 to 2000 rad 60 Co (midbody dose) at between 163 and 233 rad/min. Pre- to post-irradiation performance changes were assessed using a penalty-scal...
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| Veröffentlicht in: | Radiation research 1975-07, Vol.63 (1), p.83-96 |
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| creator | Bruner, A. Bogo, V. Jones, R. K. |
| description | Sixteen monkeys were trained on a delayed match-to-sample task (DMTS) based on shock avoidance and irradiated with single, whole-body exposures of from 396 to 2000 rad 60 Co (midbody dose) at between 163 and 233 rad/min. Pre- to post-irradiation performance changes were assessed using a penalty-scaling measure which differentially weighted incorrect responses, response omissions, and error-omission sequences. Thirteen of the animals displayed early performance decrement, including five incapacitations, at lower doses ( |
| doi_str_mv | 10.2307/3574309 |
| format | Article |
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K.</creatorcontrib><title>Delayed Match-to-Sample Early Performance Decrement in Monkeys after 60 Co Irradiation</title><title>Radiation research</title><addtitle>Radiat Res</addtitle><description>Sixteen monkeys were trained on a delayed match-to-sample task (DMTS) based on shock avoidance and irradiated with single, whole-body exposures of from 396 to 2000 rad 60 Co (midbody dose) at between 163 and 233 rad/min. Pre- to post-irradiation performance changes were assessed using a penalty-scaling measure which differentially weighted incorrect responses, response omissions, and error-omission sequences. Thirteen of the animals displayed early performance decrement, including five incapacitations, at lower doses (<1000 rad) than heretofore found effective. This was considered a function of task complexity, measurement sensitivity, and gamma effectiveness. The minimum effective midbody dose for inducing decrement using the DMTS task was estimated to be on the order of 500 rad. The nature of early, transient performance decrement seems to reflect more of an inability to perform than an inability to perform correctly</description><subject>Animals</subject><subject>Cobalt Radioisotopes</subject><subject>Discrimination Learning - radiation effects</subject><subject>Dosage</subject><subject>Dosimetry</subject><subject>Error rates</subject><subject>Gamma Rays</subject><subject>Irradiation</subject><subject>Macaca mulatta</subject><subject>Male</subject><subject>Primates</subject><subject>Radiation dosage</subject><subject>Radiation Effects</subject><subject>Reaction Time - radiation effects</subject><subject>Task complexity</subject><subject>Training</subject><issn>0033-7587</issn><issn>1938-5404</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1975</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kM1Kw0AYRQdRaq3iEwizEFyNfpP5S5bSVi20KPizDdPMN5iaZMIkLvL2VlJw5epyuYe7OIRccrhNBJg7oYwUkB2RKc9EypQEeUymAEIwo1JzSs66bgf7znU2IRPOpdSpmpKPBVZ2QEc3ti8-WR_Yq63bCunSxmqgLxh9iLVtCqQLLCLW2PS0bOgmNF84dNT6HiPVQOeBrmK0rrR9GZpzcuJt1eHFIWfk_WH5Nn9i6-fH1fx-zQquEsUSNKg1KG203kqVJgK99ybDrQDOjXU8VRyc104UIHwC1qtM2sRBhkYJLWbkZvwtYui6iD5vY1nbOOQc8l8x-UHMnrwayfZ7W6P740YT-_163HddH-K_Nz83n2aL</recordid><startdate>19750701</startdate><enddate>19750701</enddate><creator>Bruner, A.</creator><creator>Bogo, V.</creator><creator>Jones, R. 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Thirteen of the animals displayed early performance decrement, including five incapacitations, at lower doses (<1000 rad) than heretofore found effective. This was considered a function of task complexity, measurement sensitivity, and gamma effectiveness. The minimum effective midbody dose for inducing decrement using the DMTS task was estimated to be on the order of 500 rad. The nature of early, transient performance decrement seems to reflect more of an inability to perform than an inability to perform correctly</abstract><cop>United States</cop><pub>Academic Press, Inc</pub><pmid>1144685</pmid><doi>10.2307/3574309</doi><tpages>14</tpages></addata></record> |
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| ispartof | Radiation research, 1975-07, Vol.63 (1), p.83-96 |
| issn | 0033-7587 1938-5404 |
| language | eng |
| recordid | cdi_crossref_primary_10_2307_3574309 |
| source | MEDLINE; JSTOR Archive Collection A-Z Listing |
| subjects | Animals Cobalt Radioisotopes Discrimination Learning - radiation effects Dosage Dosimetry Error rates Gamma Rays Irradiation Macaca mulatta Male Primates Radiation dosage Radiation Effects Reaction Time - radiation effects Task complexity Training |
| title | Delayed Match-to-Sample Early Performance Decrement in Monkeys after 60 Co Irradiation |
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