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Related to alternation: alternation of generations


interrupted occurrence, being interspersed with different or opposite events.
alternation of generations metagenesis.


(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.


/al·ter·na·tion/ (awl″ter-na´shun) the regular succession of two opposing or different events in turn.
alternation of generations  metagenesis.
alternation of the heart  mechanical alternans; alternating variation in the intensity of the heartbeat or pulse over successive cardiac cycles of regular rhythm.


the recurrent, successive occurrence of two functions or phases, such as when a nerve fiber responds to every other stimulus or when a heart produces an irregular beat with every other cardiac cycle.


The occurrence of two things or phases in succession and recurrently; used interchangeably with alternans.

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
References in periodicals archive ?
In the present study, the effects of Allium sativum extract on spontaneous alternation and the histology of the medial prefrontal cortex was studied in adult male albino Wistar rats.
Spontaneous alternation in rats refers to animal natural tendency to spontaneously choose alternate arms in the T-maze assay (9).
To the extent that the real possibility of alternation increases political competition, strengthens the relationship of responsibility between voters and their representatives and increases the risk of being substituted by another party, then political alternation becomes an effective mechanism to reduce public officials' corruption.
The abundance of stem variants in Soikkola dialect stems from a singular attempt to find a balance in the stress system of the language; word alternation within the paradigm follows various rules that are here referred to by the umbrella term stem-internal consonant alternation that is divided as follows:
For more information on Alternation Convention, please visit http://www.
Along with the analysis of the nature of morphological bases, Kastovsky (1968) has listed an inventory of alternations that can be traced back to the study of Germanic ablaut, which, in terms of word-formation, involves the use of inflectional means for derivational purposes, notably the stems of the present, preterite and past participle of strong verbs.
In the together reciprocal alternation (transitive), join and attach also need a collective NP as object and a symmetric logical relation is established between the conjoined NPS.
In each trial, the frequency of alternations, the duration of exclusive dominances, and the decision time between alternations were recorded, as well as eye movements (saccades and fixations).
Differential equations are matched to the initial motion conditions, system elongation limitation conditions, the mass particles impact conditions, and alternation conditions of friction force direction.
This project, he said, which is a continuation of the reform process in Tunisia, is part of a design politically opposed to the government, and it aims to establish the principle of alternation to the power.
The Model Inn, Quay Street, could have external alternation works and a refurbished front elevation.

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