2009年12月16日星期三

European Sensory Network (ESN) - Memory for Foods: The Key to Unconscious Decisions

European Sensory Network - your accomplice for acoustic & chump researchStore this angel in big sizeMemories of beforehand adventures are a above agency in our decisions as to what we eat and what we don’t eat. They aswell play a axial role as to whether or not a new artefact is accepted. Sensory advisers at the European Sensory Network accept that these memories are generally added important than absolute acoustic comparisons. They accept accordingly placed “memory for foods” at the centre of their research.

One of the a lot of important capacity in acoustic analysis is compassionate how consumers decide. Usually advisers advance from the acceptance that the consumers' perceptions and preferences are axial to his or her decisions, and try to appraise them. When a new adaptation of a artefact is accepting market-tested, for instance, assorted aberration tests are performed to actuate whether or not the chump is able to apperceive a change in the product’s ingredients. If this is the case, the next catechism is whether this change could be a accident to the product’s acceptance. In such tests the capacity would again be accustomed both articles to anon analyze them. Claire Sulmont-Rossé of the INRA analysis convention in Dijon France states that, “Such a bearings rarely happens in absolute life. Normally consumers can alone analyze their impressions of the new artefact in affiliation to beforehand adventures with a agnate product. In every-day situations consumers abject their decisions on their memories of beforehand adventures with foods, and not on the base of absolute perceptions.”

True-to-life testing

To be able to experimentally analysis this anamnesis for foods in a way that assures that the after-effects reflect the behaviour in a real-life situation, it is important that the analysis is set up to be as absolute as possible. On this point there is advanced acceding a allotment of acoustic researchers. To this end one have to accede the accurate characteristics of this appropriate anatomy of memory: a allotment of added things, in absolute life, aboriginal and foremost one is geared to recognise the changes (Have I already eaten something like this before? Is this the aforementioned affair I had before, or is it something different?). An exact identification and appellation is about never sought. Jos Mojet and Ep Köster, from the Centre for Innovative Consumer Studies (CICS) at Wageningen University and Research, The Netherlands explain that, “Under accustomed altitude the anamnesis for foods is mostly formed incidentally or around after the being afflicted accepting a acquainted anticipation about his absolute assimilation of the food. It is hardly that one absolutely notices how something tastes – rather, one artlessly eats and enjoys after any accurate focus.”

For these characteristics to be accurately empiric and analysed, the advisers accept developed beginning balloon designs in which these accustomed altitude are reproduced accurately. To be assertive that capacity acquaintance the aliment alone in an accidental way, as would be the case in circadian life, the capacity are aboriginal accustomed a “learning session”, which obscures the accurate ambition of the experiment. In the additional allotment of the experiment, the anamnesis test, the being is accidentally asked whether the analysis artefact served at that moment is identical to the artefact that was tasted in the aboriginal session, or whether it has specific differences.

Memory filters through claimed priorities

In part, the after-effects of such an beginning architecture alter decidedly from the after-effects garnered from absolute bigotry tests. The anamnesis of artefact characteristics will not absorb a 1:1 ratio; rather they will be “filtered” through claimed priorities. Léri Morin-Audebrand from INRA, Dijon letters that, “For instance, in an agreement with a custard dessert, it was apparent that the analysis accountable had a added absolute anamnesis of the accurate akin of acidity than of the acuteness of the analgesic or the exact bendability of the dessert.” In the anamnesis for foods, it seems that one concentrates on “important” characteristics, and ignores characteristics that were perceived to be “unimportant”. Food anamnesis is careful and can distort, and it creates expectations. In practice, that can ability the point that differences which are acutely apparent in absolute artefact comparisons, abatement by the wayside in “natural” comparisons with anamnesis imprints. Another catechism is in what way the anticipation of a aftertaste as affable or abhorrent influences memory. The advisers accept begin affirmation that acoustic characteristics that were awful were remembered bigger than those that were liked.

The affiliation amid the animosity of achievement and abhorrence afterwards bistro is aswell accordant to the abstraction of the anamnesis for foods, and is an absorbing accountable for research. The anamnesis food the carefully abstruse perceptions of the faculty of aftertaste and the perceptions of the digestive organs. For acoustic research, methods that would accomplish it accessible to actuate a consumer’s achievement with a aliment behindhand of his or her amount of abhorrence would be of appropriate interest. Ep Köster emphasises that, “Since anamnesis allows humans to brainstorm bistro experiences, it is accessible to analysis the account of a accurate aliment for a accurate bearings application absolutely artistic methods.”

A child's play task

Another absorbing appropriate of the anamnesis for foods is its bendability above altered age groups. Whereas absolute anamnesis gradually develops as a adolescent grows, and conspicuously decreases with old age, it appears that the absolute anamnesis for foods is almost artless by ageing. Monica Laureati and Ella Pagliarini from the University of Milan accept begin that pre-school accouchement can acknowledgment such questions as “Did you aswell eat this artefact endure time?”, and “Do you acquisition this artefact better, worse, or the aforementioned as endure time?” as abundantly as adolescent humans and earlier grown-ups. The advisers point out that, “The after-effects from the corresponding tests are comparable, which gives an absorbing angle into the bistro and bubbler behaviour of children.”

Source:
ESN-Workshop "Characteristics of anamnesis for foods: Consequences for acoustic and chump science", at the 8th Pangborn Sensory Science Symposium, Florence, Italy, 2009

The European Sensory Network (ESN; www.esn-network.com) is an all-embracing affiliation of arch bookish and analysis institutions in the acreage of acoustic and chump sciences. Presently the arrangement comprises 24 affiliate organisations from 20 countries. ESN associates allotment their ability and plan appear accepted methodologies.

EUROPEAN SENSORY NETWORK - columnist office
Dr. Ina Schicker, Weidachstr. 32, 87629 Füssen, Germany
Phone: ++49 (0) 83 62 - 92 33 38
Fax: ++49 (0) 83 62 - 92 33 39
e-mail: ina.schicker@esn-network.com

没有评论:

发表评论