Abstract：
:Numerous investigators have examined the hypothesis that males and females learn or perform differentially on various tasks. However, many of the behavioural investigations with nonhuman animals (e.g., rats) have used paradigms that do not permit the exploration of complex learning and memory between the sexes. To this end, we explored the ability of male versus female mice to learn three different patterns in succession in three separate experiments: single alternation (e.g., right, left, right, left), double alternation (e.g., right, right, left, left), and runs (e.g., 123, 234, 345, 456, 567, 678, 781, 812, where digits represent locations within a circular array in the counterclockwise direction). We hypothesized that sex differences, if they existed, would be most likely to appear as the pattern to be learned became more complex (required more rules to capture how elements relate to one another). The results indicated that mice can learn all three pattern types, but learning was more difficult as pattern complexity increased. Males learned the runs pattern significantly more quickly than females did; no significant differences were found between males and females for acquisition of the single-alternation or double-alternation patterns. These results suggest that sex differences in serial pattern learning within rodents are not unique to rats and are more likely to be seen during acquisition of more complex patterns.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Kundey SMA,Bajracharya A,Boettger-Tong H,Fountain SB,Rowan JDdoi
10.1016/j.beproc.2019.103958subject
Has Abstractpub_date
2019-11-01 00:00:00pages
103958eissn
0376-6357issn
1872-8308pii
S0376-6357(19)30120-2journal_volume
168pub_type
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