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Abstract:
Fourteen unfettered primates (Macaca mulatta) were trained to perform a discriminated avoidance task and were exposed to a 2000-rad (midline tissue dose) pulse of gamma-neutron radiation. For the monkeys of this study, the time of onset and duration of the initial performance decrement, including early transient incapacitation, was similar to that previously observed with restrained monkeys. However, average recovery following the initial decrement was less complete for unrestrained animals. On the basis of performance during the first 2 hours postirradiation, unrestrained primates exposed to 2000 rads can be functionally separated into three roughly equal groups: (1) animals that continued to perform at or near base-line levels; (2) animals that recovered to near base-line levels following periods of behavioral decrement, incapacitation, or non-performance; and (3) animals that became incapacitated in the first 10 minutes and generally did not recover before death. (Author)
| Description: |
Scientific rept. |
| Pages: |
25 |
| Report Date: |
APR 1971 |
| Report Number: |
0356427 |
Report Unavailable |
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