![]() ![]() This study explores the effect of educational kinesiology on the changes in salivary cortisol and oxytocin levels in kindergarteners with special needs. Cortisol and oxytocin levels in saliva have been reported to be reliable stress and anxiety markers that provide unbiased objective data. Previous studies that evaluated the effectiveness of educational kinesiology relied mainly on subjective measures, in which subjective bias is inevitable. Given the popularity of educational kinesiology in school settings, it is important to revisit its effectiveness through scientific research. Yet, it lacks supporting scientific evidence and is regarded as pseudoscience. ![]() The usefulness of this marker for other chronic stress states as found in allostatic load is discussed.īackground: Educational kinesiology is a popular intervention that aims to improve brain functioning via physical movements. ![]() Our findings suggest that the ratio of sAA over cortisol might be a better marker of stress systems dysregulation than the ratio of cortisol over sAA, sAA or cortisol alone. Using a specific formula to determine the ratio of sAA over cortisol, we found a systematically stronger positive relationship with indexes of chronic stress and depression when compared to cortisol over sAA, or either marker alone. We studied this in a total of 37 subjects (n=20 with signs of early life adversity and n=17 without) exposed to the Trier social stress test. This preliminary study investigated whether the ratio of reactive sAA over reactive cortisol would be more informative to investigate the relationship between the two stress systems than the ratio of cortisol over sAA, or either marker alone, and whether there is a systematic link between this marker and subjective indexes of chronic stress and depression. However, variable methods used in the past to measure each variable, and the relationship between the two systems, prevent us from drawing firm conclusions. Individuals with histories of ELA show evidence of elevated basal and reactive salivary alpha amylase (sAA) levels (a marker of SNS activity), blunted cortisol levels (a marker of HPA axis activity), and an asymmetrical relationship between the two variables. Early Life Adversity (ELA) has been identified as one such factor. Changes in these systems have been associated with various (psycho)pathologies across adulthood, and are thus frequently assessed within the context of allostatic load. Different factors have been associated with changes in the regulation of the two major stress response systems of the human body, the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. ![]()
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