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interrupted occurrence, being interspersed with different or opposite events.
alternation of generations metagenesis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


(awl'ter-nā'shŭn), Do not confuse this word with alteration.
The occurrence of two things or phases in succession and recurrently; used interchangeably with alternans.
Farlex Partner Medical Dictionary © Farlex 2012


The occurrence of two things or phases in succession and recurrently; used interchangeably with alternans.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Patient discussion about alternation

Q. Anybody familiar with alternative treatment for ADHD?

A. We use two parallel programs for children with ADHD and all developmental problems. This also includes dyslexia, learning disability, auditory processing disorder, global developmental disorder, pervasive developmental disorder, autism spectrum, failure to thrive, etc. . .

The two programs go hand-in-hand. One is about what caused the developmental process to get stuck or sluggish. The other is about encouraging the developmental process to catch up when it is behind.

Most programs for children with developmental problems attempt to medicate or train away the symptoms. If a child is hyperactive or unfocused, doctors prescribe a medication which reduces hyperactivity or improves focus. This is often hit-and-miss and many children need to take many months for the doctor to find the correct medicine and correct dosage for the child. But these medications do nothing for the underlying cause. The developmental process got stuck and needs to be re-engaged.

From our experience, the &

Q. What are natural or alternative ways to beat depression? I keep reading about how depression is caused by 'chemical imbalances' in the brain, and it feels like I don't stand a chance at beating it without going on Anti-depressants, but I don't want to go down this route cause I'm worried about the side-effects. Can anyone suggest natural ways to beat depression that don't involve medication?

A. Here are couple of alternative ways to treat depression:

but if all of this doesn’t work- I recommend medical help. It can help you immensely. It’s much better then walking around with depression.

Q. Is there any danger in the alternative treatment of Acupuncture? I've been suffering from back pains for about 3 months now. I tried Acupuncture for the first time yesterday and was wondering whether somebody in the community tried it and have any knowledge about the success and dangerous of such a treatment.

A. Hi Justin - Thank you so much for sharing your personal experience with me. You are right, I should ask these questions. I will ask my therapist and follow your advice although the place and the therapist look good and professional to me.

More discussions about alternation
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References in periodicals archive ?
As to the structural status of these alternations, they are of course not derivative morphemes, as little as is gradation.
Hence, Sovijarvi (1944 : 42) writes: 'Alternations st : ss and tk : d are remarkable in the Soikkola dialect (as in Ingrian dialects in general) particularly for their status as the only clear features of Ingrian dialects, aside from the type ozra, kezra (1) referring to the Karelian language.'
In a study in the deverbal formation of nouns by means of zero derivation and the recurrent morphological constrasts that arise throughout the process, Kastovsky (1968: 59) identifies the alternations listed in figure 2.
Thus, examples such as those presented in Table 1, which include transitive and intransitive uses of the predicates join and attach both in their prepositional variants and the simple and together reciprocal alternations, will be accounted for by making use of the analytical tools provided by the Lexical Constructional Model and Role and Reference Grammar.
A principal component EFA with varimax rotation, using as variables the number of alternations, the duration of exclusive dominances, and the decision time in the 8 BR test trials, yielded 4 factors, with Eigenvalues higher than 1, which explain 66.7% of the variability.
We can thus draw another square that can be called "the narrative square of yin-yang alternation":
The dependent variable is the mean percentage of correct alternations. Arc sine transformed percentages were used in the statistical analyses due to the possibility of score compression as means approach the scale limits of 0% and 100%.
New functionality has been implemented by Continental Airlines (NYSE: CAL) at to enable travellers to make flight alternations online.
The alternation between the rapidity with which change happens or memory takes us backward and the slowness of our own choices and perceptions is captured both in the sequencing of the poems and the tempo alternations between very fast (1.

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