Pascal Schlich is a director of research with the
INRA and the scientific leader of the ChemoSens platform at the
Centre des Sciences du Goût et de l'Alimentation in Dijon. He holds a Ph.D. in statistics from the
University Paris XI and the accreditation for tutoring Ph.Ds from the Burgundy University.
His research deals with sensometrics (statistics for sensory sciences)
and the study of consumer preferences. Pascal Schlich has signed or
co-signed a hundred
of scientific articles or book chapters and is the co-inventor of the
TimeSens® software. He teaches sensometrics at
AgroSup Dijon, ENSAI Rennes and Montpellier University and is an international consultant for several industries.
Sensory profiling is a technique of
sensory analysis recording attributes intensities, but providing no
indication on the sequence along which these attributes are perceived.
Pascal Schlich and his team developed the Temporal Dominance
of Sensations (TDS) method about 12 years ago to fill in this gap. In
TDS the subject is asked to indicate at any time the “dominant”
attribute, the one trigging his/her attention, not necessarily the most
intense one.
TDS has become a reference method in
sensory analysis. Contrarily to sensory profiling, it can be used with
no training, thus by consumer panels. It makes it possible to pair TDS
to dynamic recording of liking, satiation and emotions
along the consumption of the full portion of a food or beverage in
order to identify the temporal drivers of these three features.
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