Pharmacological manipulations of food protection behavior in rats: Evidence for dopaminergic contributions to time perception during a natural behavior.

Wallace DG; Wallace PS; Field E; Whishaw IQ

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Pharmacological manipulations of food protection behavior in rats: Evidence for dopaminergic contributions to time perception during a natural behavior.

机译：大鼠食物保护行为的药理学操纵：自然行为期间多巴胺能对时间知觉的贡献的证据。

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Operant procedures combined with pharmacological manipulations have implicated a role for the dopaminergic system in the perception and production of temporal intervals. Because studies have suggested that animals use temporal information to organize food protection behavior, the current study investigates whether dopaminergic systems are involved in timing during this natural behavior. The experiment examined the influence of a dopaminergic agonist (amphetamine) and an antagonist (haloperidol) on food protection behavior initiated to avoid theft by a conspecific. Amphetamine increased the time spent dodging and decreased the time spent bracing during the consumption of a hazelnut. On the other hand, haloperidol decreased the time spent dodging while showing no systematic changes in bracing. Topographic and kinematic analyses of rat movement conflicted with motivational, motoric, and social accounts of drug-induced changes in food protection behavior organization. These observations provide evidence that rats use temporal information to organize movements in the natural behavior of protecting food from theft by a conspecific, and this organization is influenced by both a dopaminergic agonist and an antagonist.

机译：操作程序与药理学操作相结合已暗示了多巴胺能系统在时间间隔的感知和产生中的作用。由于研究表明动物利用时间信息来组织食物保护行为，因此本研究调查了多巴胺能系统是否参与这种自然行为的时间安排。该实验研究了多巴胺能激动剂（安非他命）和拮抗剂（氟哌啶醇）对食品保护行为的影响，该行为旨在避免因同种动物盗窃。苯丙胺在食用榛子的过程中增加了闪避的时间，并减少了支撑时间。另一方面，氟哌啶醇减少了躲避的时间，同时在支撑方面没有系统的变化。老鼠运动的地形和运动学分析与药物引起的食品保护行为组织变化的动机，运动和社会影响相抵触。这些观察结果提供了证据，表明大鼠利用时间信息来组织通过同种异物保护食物免受盗窃的自然行为的运动，并且这种组织受到多巴胺能激动剂和拮抗剂的影响。

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《Brain research》 |2006年第1期|共9页
作者
Wallace DG; Wallace PS; Field E; Whishaw IQ;
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正文语种 eng
中图分类基础医学;
关键词
behavioral aspects; protect; Food; Ions; pharmacological; 食品; 离子;

机译：behavioral aspects;protect;Food;Ions;pharmacological;食品;离子;

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Pharmacological manipulations of food protection behavior in rats: Evidence for dopaminergic contributions to time perception during a natural behavior.

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