Kappes B, Michaud J, Theno S
University of Alaska, Anchorage.
Arctic Med Res. 1991;Suppl:539-41.
Results supported the relevancy of cognitive information effects on pain tolerance, in that subjects who were given a rational and accurate explanation of what to expect showed greater tolerance than those who received irrelevant information. Accurate monitoring of hand temperature did not seem necessarily advantagous as an influence on pain tolerance. It appears merely watching a monitor, regardless of the specific contents of the screen, resulted in longer hand immersion times when compared to no monitor. The monitors seem to serve as distractors and specificity of physiological information was not particularly useful. However, neither information nor physiological monitoring emerged as the primary influence on pain tolerance in this study. Instead, the strongest predictors found were motivation and self-efficacy. The subject's own self prediction of anticipated performance with cold induced pain was closely consistent with actual performance. Although these results alone may not generalize to extended field situations, this study does reinforce the general findings of previous research: namely Bandura's (10) evidence on self-efficacy. While it is obvious cold temperatures have measurable physiological consequences, the experience of pain is also psychologically mediated. Pain associated with cold injury and frostbite in hospital studies show personality correlates are significantly related to the frequency, severity and tragedy of subsequent results (15). A replication of this study will include male subjects even though it is anticipated that findings will be consistent, with perhaps longer immersion times. Future research may want to develop training strategies aimed at teaching self-efficacy and realistic expectations of potential consequences in cold environments rather than scare tactics regarding physiological and psychological cold pain tolerance.
结果支持了认知信息对疼痛耐受性的相关性,即那些得到关于预期情况的合理准确解释的受试者比那些收到无关信息的受试者表现出更高的耐受性。对手部温度的精确监测似乎不一定对疼痛耐受性有促进作用。与没有监测器相比,仅仅看着监测器,无论屏幕上的具体内容是什么,都会导致手部浸泡时间更长。监测器似乎起到了干扰因素的作用,生理信息的特异性并不是特别有用。然而,在这项研究中,信息和生理监测都没有成为对疼痛耐受性的主要影响因素。相反,发现的最强预测因素是动机和自我效能感。受试者自己对冷诱导疼痛预期表现的自我预测与实际表现密切一致。虽然仅凭这些结果可能无法推广到更广泛的实际情况,但这项研究确实强化了先前研究的一般发现:即班杜拉(10)关于自我效能感的证据。虽然寒冷温度会产生可测量的生理后果这一点很明显,但疼痛体验也受到心理调节。医院研究中与冷损伤和冻伤相关的疼痛表明,人格相关性与后续结果的频率、严重程度和悲剧性显著相关(15)。这项研究的重复将包括男性受试者,尽管预计结果会一致,可能浸泡时间会更长。未来的研究可能希望制定培训策略,旨在教授自我效能感以及对寒冷环境中潜在后果的现实期望,而不是关于生理和心理冷痛耐受性的恐吓策略。