all-or-none


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all-or-none

(ôl′ər-nŭn′)
adj.
Characterized by either a complete response or by a total lack of response or effect, as in neurological action above a threshold.

all-or-none

Physiology
adjective Referring to a reaction that either occurs completely (e.g., a depolarisation (beat) of the heart) or not at all.
References in periodicals archive ?
Logistic regression was used to estimate the influence of relational climate on the diabetes process indicators, including the all-or-none measure and the number of tests.
Atypical Spitz tumors exemplify the limitations in applying an "all-or-none" approach to assigning benignancy or malignancy to some tumor types.
In cardiac muscle, however, the increased cellular Ca concentration does not greatly exceed the on-off trigger level of 1 uM, and it always remains around this level despite the all-or-none nature of electrical signals given by pacemaker cells, although the reason behind this is unclear.
Even the etymological basis for schizophrenia (its Greek roots signify "split mind," which arguably spawned the long-held erroneous view that schizophrenia is a "split personality") exemplifies this stance and reinforces the notion of discrete "all-or-none" categories of experience.
The portfolio is divided into 11 large balance pool assets and a small balance pool of 18 assets that is an "all-or-none" portfolio, allowing investors to target specific assets by performance, collateral type or geography based on their individual acquisition criteria.
An "all-or-none" effect (i.e., spontaneous abortion or not) is believed to arise from exposure during the first period, but the embryo stage is the most critical time because it involves organogenesis.
Furthermore, few peptide biomarkers are likely to be "all-or-none".
This is a very complicated system, and when vestibulotoxicity occurs, it is more than an all-or-none phenomenon--in other words, a spectrum of vestibular dysfunction can exist.
Many social decisions have to be made in categorical, yes-or-no, all-or-none fashion even though a lot of our biology is fuzzy and continuous.
Idealism tends to destroy useful ideas by making them all-or-none propositions.
There's been no consideration yet of reducing the package, which means Oregon and the other states that benefit currently face an all-or-none outcome - with possibly dire effects if the act isn't reauth- orized.
As such, these forecasts do not provide all-or-none predictions, which are right or wrong.