A STUDY OF THE SENSORY REQUIREMENTS FOR ELICITING THE PSEUDOPREGNANCY RESPONSE
A STUDY OF THE SENSORY REQUIREMENTS FOR ELICITING THE PSEUDOPREGNANCY RESPONSE
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DOI：
10.1016/0006-8993(81)90402-9
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发表时间：
1981-01-01
期刊：
影响因子：
2.9
通讯作者：
CARRENO, NB
中科院分区：
文献类型：
--
作者：
CASTROVAZQUEZ, A;CARRENO, NB
用刺激器对阴道和宫颈进行刺激，该刺激器旨在对棒在阴道内的穿透程度进行分级。在发情期和间情期分别进行单一的颈部刺激可引起即时或延迟的黄体反应。这两种反应的概率都随着刺激强度(穿透力)和持续时间的增加而增加。即时反应比延迟反应的可能性大得多。其他观察到的反应参数(血浆孕酮和间情期长度)与刺激强度无关。即时或延迟反应的概率与幂函数穿透视杆有关，这意味着接收到的刺激呈指数变换。在阴道水平上，杆状穿透到宫颈压力的指数转换似乎对最终的指数转换没有实质性的贡献。刺激持续时间和反应概率之间的关系不能从数学上定义。超过5个S(即时反应)和15个S(延迟反应)的深度穿透(24 Mm)不会引起反应概率的进一步增加。来自一种不寻常的固定大鼠的新的刺激可能干扰对颈阴道刺激的反应。然而，女性在性交过程中受到的阴道外刺激似乎并不促进或抑制对杆的深度(24毫米)穿透的反应。这些结果建立了刺激和反应参数之间的一些定量关系，并表明在交配的多种感觉刺激中，颈部阴道刺激在诱导黄体反应方面起着重要作用。
Stimulations of the vagina and cervix were performed with a stimulator designed to grade intravaginal penetration of a rod. Single cervicoginal stimulations performed in estrus or in diestrus II elicited immediate or delayed luteal responses, respectively. The probabilities of both types of response increased as a function of the strength (penetration) and duration of the stimulus. Immediate responses were significantly more probable than delayed responses. The other observed parameters of the response (plasma progesterone and diestrus length) were not related to stimulus magnitude.The probabilities of immediate or delayed responses were related to rod penetration by power functions, implying an exponential transformation of the received stimulus. An exponential transformation of rod penetration into pressure on the cervix, which occurs at the vaginal level, seems not to contribute substantially to the final exponential transformation.The relationship between stimulus duration and response probability could not be defined mathematically. No further increase in probability of response was caused by prolonging a deep penetration (24 mm) beyond 5 s (immediated responses) and 15 s (delayed responses).The novel stimuli from an unusual procedure to immobilize the rat may interfere with the response to cervicovaginal stimulation. However, the extravaginal stimuli the female receives during coitus did not seem to facilitate or inhibit the response to a deep (24 mm) penetration of the rod. The results establish some quantitative relationships between stimulus and response parameters and indicate the impotance of cervicovaginal stimuli, among the multiple sensory stimulations of mating, to induce the luteal response.