Fagot J, Vauclair J
Laboratoire de Neurosciences Cognitives, Centre National de la Recherche Scientifique, Marseille, France.
J Comp Psychol. 1994 Jun;108(2):156-63. doi: 10.1037/0735-7036.108.2.156.
In a video matching-to-sample task, we examined the effects of stimulus novelty on hemispheric specialization in 6 baboons (Papio papio). After familiarization with a set of 8 composite stimuli, baboons were tested with either familiar stimuli paired in a novel way, novel stimuli composed of familiar elements, or novel stimuli differing in structure from the previous stimuli. Analyses focused on visual field differences between initial and later trials in each condition. The findings reflected shorter left than right visual half-field response times for initial but not for terminal trials. With regard to accuracy, scores were smaller for the initial trials than for the later ones, but there was no significant difference between left and right visual half-fields. Overall, this study suggests that hemispheric lateralization changes with practice and that the right hemisphere of the baboon plays a critical role in the processing of novelty.
在一项视频样本匹配任务中，我们研究了刺激新颖性对6只狒狒（豚尾狒狒）半球特化的影响。在熟悉一组8种复合刺激后，用以下刺激对狒狒进行测试：以新方式配对的熟悉刺激、由熟悉元素组成的新颖刺激或结构上与先前刺激不同的新颖刺激。分析集中在每种条件下初始试验和后续试验之间的视野差异。研究结果表明，在初始试验而非末期试验中，左视野的反应时间比右视野短。关于准确性，初始试验的得分低于后续试验，但左、右视野之间没有显著差异。总体而言，这项研究表明，半球侧化随练习而变化，并且狒狒的右半球在新颖性处理中起关键作用。
