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Does the assessment of different combinations of within-phase subjective measures influence electrodermal responding and between-phase subjective ratings during fear conditioning and extinction experiments?
Biological Psychology ( IF 2.6 ) Pub Date : 2021-03-26 , DOI: 10.1016/j.biopsycho.2021.108085
Katherine M Ryan 1 , David L Neumann 1 , Allison M Waters 1
Affiliation  

The type and number of dependent measures assessed have varied between fear conditioning and extinction experiments and it remains unclear whether methodological differences influence results. Measuring skin conductance responses (SCRs) and between-phase subjective ratings between four conditions; Con condition had no within-phase ratings; US Exp condition included within-phase US expectancy ratings only; CS Eval condition included within-phase CS evaluations only and All Meas condition included both. All Meas condition exhibited larger SCRs compared to other conditions during acquisition, extinction, and return of differential responding at test. Differential SCRs did not extinguish in CS Eval and Con conditions, and CS Eval condition exhibited smaller CS- SCRs than other conditions throughout phases. US Exp condition revealed differential conditioning, successful extinction, and no return of differential SCRs. Between-phase ratings were not affected by within-phase ratings. Researchers should consider assessing different combinations of within-phase subjective ratings depending on the aims of their research.



中文翻译:

在恐惧调节和消光实验中,对相内主观措施不同组合的评估是否会影响皮肤电反应和相间主观评分?

在恐惧调节和灭绝实验之间,评估的相关措施的类型和数量有所不同,但尚不清楚方法学差异是否会影响结果。测量四种条件之间的皮肤电导响应(SCR)和相间主观评分;Con条件没有相内额定值。美国Exp条件仅包括阶段性美国预期评级;CS Eval条件仅包括阶段内CS评估,而All Meas条件均包括这两个条件。与其他条件相比,在采集,消光和返回测试的差分响应过程中,所有Meas条件均显示出更大的SCR。在CS Eval和Con条件下,差分SCR不会熄灭,并且CS Eval条件在整个阶段中均显示出比其他条件小的CS-SCR。US Exp情况表明存在差异条件,成功灭绝,差异SCR均未恢复。相间额定值不受相内额定值的影响。研究人员应根据他们的研究目的,考虑评估阶段内主观评分的不同组合。

更新日期:2021-04-06
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