Individual differences in sour and salt sensitivity: detection and quality recognition thresholds for citric acid and sodium chloride.
Individual differences in sour and salt sensitivity: detection and quality recognition thresholds for citric acid and sodium chloride.
复制标题
酸和盐敏感性的个体差异:柠檬酸和氯化钠的检测和质量识别阈值。
DOI:
10.1093/chemse/bjt003
复制
发表时间:
2013
期刊:
影响因子:
3.5
通讯作者:
Breslin,PaulAS
中科院分区:
文献类型:
--
作者:
Wise,PaulM;Breslin,PaulAS
Taste sensitivity is assessed with various techniques, including absolute detection and quality recognition. For any stimulus, one might expect individual differences in sensitivity to be reflected in all measures, but they are often surprisingly independent. Here, we focus on sensitivity to sour and salty taste, in part because processing of these qualities is poorly understood relative to other tastes. In Study 1, we measured retest reliability for detection (modified, forced-choice staircase method) and recognition (modified Harris–Kalmus procedure) for both citric acid (CA) and sodium chloride (NaCl). Despite good retest reliability, individual differences in detection and recognition were weakly correlated, suggesting that detection and recognition of sour and salty stimuli may reflect different physiological processes. In Study 2, a subset of subjects returned to contribute full detection (psychometric) functions for CA and NaCl. Thresholds estimated from full detection functions correlated with both staircase and recognition thresholds, suggesting that both tasks may reflect absolute sensitivity to some extent. However, the ranges of individual differences were systematically compressed for staircase thresholds relative to those from full detection functions. Thus, individual differences in sensitivity appear to interact with different test methodologies in lawful ways. More work will be required to understand how different taste phenotypes relate to one another.
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DOI:
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发表时间:
1967
期刊:
Acta geneticae medicae et gemellologiae
影响因子:
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2004
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DOI:
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发表时间:
2008
期刊:
影响因子:
--
作者:
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