Taking action: empathy and social interaction in rats.
Taking action: empathy and social interaction in rats.
复制标题
采取行动:老鼠的同理心和社交互动。
DOI:
10.1038/s41386-019-0596-0
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Golden,SamA
中科院分区:
文献类型:
--
作者:
Venniro,Marco;Golden,SamA
Imagine you are walking and notice a person crying on the sidewalk visibly in distress. This individual is not familiar to you and has not requested any assistance, so you understandably hesitate to approach. A likely question you may ask yourself in that moment of indecision is whether you would like a stranger to offer support if you found yourself in a similar situation. Do you ultimately stop to offer emotional support? The ability to understand the circumstances of someone other than yourself is defined as empathy. Empathy is a complex behavior that facilitates the formation of social connections through interpersonal socialization and aid. A lack of empathy can contribute to the psychopathology of several neuropsychiatric diseases, including autism spectrum disorder and substance use disorder. Therefore, it is crucial to understand the psychological processes and neurobiological substrates of empathic behavior. Empathy requires a nuanced understanding of the interaction between emotions and perceptions and has been challenging—even controversial—to model in the preclinical laboratory setting. Early studies from the 1950–1960s established that rats will exhibit emotional reactions when witnessing a conspecific in distress [1, 2]. More recent work have extended these observations by showing that rats will release a distressed conspecific from restraint [3] or a water-filled compartment [4]. However, these procedures have not disambiguated the role of direct social interaction from indirect empathic behavior; both the distressed target and the empathic observer interact in the same environment after rescue, leading to the possibility that rewarding social interaction and contact is what drives rodent empathy [5, 6]. Thus, in this issue of Neuropsychopharmacology, Cox and Reichel [7] introduce a novel behavioral procedure to directly address this question.Initially, using an operant two-chamber apparatus, the authors reproduce [4] that male rats (termed Observers) learn to chain-pull to release distressed conspecifics (termed Targets) from either a water-filled (distress condition) or an empty (eg, no distress condition) chamber and subsequently interact in a dry compartment. Notably, when the authors reversed the role of each pair, such that the Observer became the Target and vice versa, new Observers were faster in releasing the new Target than the original ones. These data suggest that previous experience promotes faster acquisition of the task.