The phrase "axis of functioning" is correct and usable in written English.
It can be used in contexts discussing systems, processes, or frameworks where different components or aspects are aligned or organized around a central theme or purpose.
Example: "The axis of functioning in our organization revolves around collaboration, innovation, and efficiency."
Alternatives: "core of operation" or "framework of activity".
The clinician's view of the patient's more general functioning is provided by means of the DSM-IV Axis V Global Assessment of Functioning.
In addition, attention will be given to a fifth category of studies: examinations of HPA axis functioning in the offspring of parents with depression.
Important, if preliminary, observations can be offered from this review of the emerging body of literature examining various components of HPA axis functioning among depressed children and adolescents.
Such progress has facilitated the study of HPA axis functioning in a broader range of populations (Klimes-Dougan et al. 2001).
Measurement of sex hormones and simple parameters of HPA axis functioning (as discussed above) may in turn support relevant information on the pathophysiology of this specific obesity phenotype.
The second principal conclusion that can be drawn from investigations of HPA axis functioning in pediatric depression is the centrality of a developmental perspective.
We used the mean value of the consecutive two days as the index of HPA axis functioning.
Cortisol awakening response, the difference between the cortisol concentrations at awakening and 30 minutes later, provided a measure of HPA axis functioning.
Principle component analysis (PCA, see Table 1 for a summary of abbreviations) has been used to examine relationships among immune indices within an axis of immune function (e.g. constitutive immunity [5], [16], [17], [18]) and among multiple axes of immune function [19].
Indeed, at least 50% of depressed adults show evidence of dysregulated HPA axis functioning (American Psychiatric Association 1987; Nestler et al. 2002).
