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Mental activity; thinking: "Having made this quantum leap in mentation ... [I] could not halt the involuntary chain of mental hypotheses triggered off in my brain" (Philip K. Dick).

[From Latin mēns, ment-, mind; see mental1.]


the process or result of mental activity


(mɛnˈteɪ ʃən)

mental activity.
[1840–50; < Latin ment- (s. of mēns) mind + -ation]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mentation - the process of using your mind to consider something carefullymentation - the process of using your mind to consider something carefully; "thinking always made him frown"; "she paused for thought"
higher cognitive process - cognitive processes that presuppose the availability of knowledge and put it to use
free association - a thought process in which ideas (words or images) suggest other ideas in a sequence
mental synthesis, construction - the creation of a construct; the process of combining ideas into a congruous object of thought
abstract thought, logical thinking, reasoning - thinking that is coherent and logical
line of thought - a particular way of thinking that is characteristic of some individual or group
train of thought, thread - the connections that link the various parts of an event or argument together; "I couldn't follow his train of thought"; "he lost the thread of his argument"
mysticism - obscure or irrational thought
ideation - the process of forming and relating ideas
consideration - the process of giving careful thought to something
excogitation - thinking something out with care in order to achieve complete understanding of it
explanation - thought that makes something comprehensible
planning, preparation, provision - the cognitive process of thinking about what you will do in the event of something happening; "his planning for retirement was hindered by several uncertainties"
problem solving - the thought processes involved in solving a problem
convergent thinking - thinking that brings together information focussed on solving a problem (especially solving problems that have a single correct solution)
divergent thinking, out-of-the-box thinking - thinking that moves away in diverging directions so as to involve a variety of aspects and which sometimes lead to novel ideas and solutions; associated with creativity
References in periodicals archive ?
Indeed, they do dream - or at least some of them did, in an experiment that compared the nighttime mentations of normal, healthy subjects with subjects who suffered from D.
After the CD-R recording was finished, the experimenter then: (a) instructed the participants to spend a few minutes writing down their impressions of the line drawing still concealed in aluminium-foil inside the envelope (the participants were permitted to re-read their mentation, in order to prompt their memory, thereby assisting them in the ranking process; the experimenter did not offer personal interpretations of mentations as this may have misled participants); and (b) instructed the participants to rank the four pictures from 1 to 4 (#1 being the "most likely" picture concealed in the envelope, #4 being the "least likely") using the picture identification scoring sheet.
As this change in the interaggregate distance distribution also changes the dynamic properties, it brings in several mentations such as what will be the effect of it on the dynamic properties of the vulcanizate, will change in stacking sequence of the layers affect these dynamic properties again, what will be the effect of such gradation on the hysteresis, etc.
However, by using small segments of the mentations, this dependency problem is substantially reduced and the task of selecting the most impressive correspondences thus becomes easier.
Independent judges then used the virtual mentations to rank order four video clips (the target clip and three decoys) in much the same way as the receiver typically does in a conventional free-response ESP study.
For these analyses we planned to consider only the RNG-generated mentations so as to allow for meaningful comparisons with the studies described above.
The experimenter saw neither the photocopy nor the original report of the participant's mentations.
More interestingly in the present discussion, the ratings based on the RNG-generated virtual mentations gave an encouraging 13 hits (32.
Mentations for the two periods were independently judged.
In both modes, three percipients would be used, and the individual mentations about each site would be combined into a single mentation pertinent to that site, which was to be ranked by an independent judge.
Independent judges' ratings of receivers' mentations gave only two direct hits in 22 trials, which was nonsignificantly below a mean chance expectation of 5.
After about 5 min of interview, the experimenter judged the mentation items against the five target possibilities and ranked the targets in order of similarity to the mentations.