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Ablation of the Somatosensory Cortex for Taste: Effects on Taste Preference and Taste Discrimination BehaviorPotter, Wendy K. 05 1900 (has links)
Three groups of rats were tested both before and after the bilateral ablation of the taste sensory cortex. The first group, exposed to quinine hydrochloride (QHCL) in a two-bottle preference situation, showed a large deficit postoperatively, but these were considerably reduced by the fourth postoperative week. A second group, tested for sodium chloride (NaCl) discrimination in a modified signal detection situation, also showed significant postoperative impairment. A third group, QHCL discrimination, was discarded for failure to learn the detection task. The results which were very unclear compared with NaCl discrimination and QHCL preference. It is concluded that preference tests are unsatisfactory measures of taste sensitivity unless the stimuli possess extreme aversive or preferred qualities. / Thesis / Master of Arts (MA)
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Sensitivity to sweet and bitter taste in mother/child pairs and its influence on their caries statusVarghese, Vineeth January 2018 (has links)
Magister Scientiae Dentium - MSc(Dent) / Introduction: Dental caries has one the highest incidences in children and the host’s diet
may be a major factor in determining susceptibility to the disease. A proposed tool to screen
and identify high risk individuals uses a bitter compound 6-n-propylthiouracil (PROP). The
goal of this screening tool is to identify mothers and children who are Non-tasters (those
who cannot taste PROP) and to educate them about their possible affinity towards sugar
substances and its harmful effects on oral and general health. It is suggested that Non-taster
children could be prioritized when providing preventative dental treatment.
Aim: To validate the use of PROP as a screening tool for determining high caries risk
individuals by identifying the taster status of mothers and children, their preference towards
sugar, and its impact on their caries status.
Methodology: 75 mother/ child pairs were recruited to participate in this study. Caries
experience, sugar preference and taster status were determined for all the subjects.
Comparisons were made between mothers and their children to find a possible association.
Results: Caries experience was greater in individuals who were Non-tasters when
compared to Super-tasters. A significant association between taster status and DMFT score
was established (p<0.000). A significant association between taster status and sugar
preference was established (p<0.000). A positive correlation with regard to taster status,
sugar preference and caries experience was observed in mother/child pairs.
Conclusion: Similarities in the mother's and child’s PROP taster status and its association
with sugar preference allows such a screening test to identify individuals who are at high
risk of developing dental caries. Early identification of mothers who are Non-tasters may
allow the introduction of early intervention strategies and assist in the early detection of
potentially high-risk children, especially in environments where resources are limited.
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Multi-compartment modeling in the gustatory system in ratsChen, Jen-Yung. January 2005 (has links)
Thesis (Ph. D.)--State University of New York at Binghamton, Department of Systems Science and Industrial Engineering (Biosystem concentration), 2005. / Includes bibliographical references.
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Hedonic factors in human food choiceGray, Richard William January 1997 (has links)
No description available.
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The relationship between the tastes and the solution properties of the amino acidsKemp, Sarah E. January 1989 (has links)
No description available.
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Sensory and chemical analysis of the bitter-sweet taste interactionJohnson, Claire January 1995 (has links)
No description available.
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Bundling and lotteries : optimal pricing for multiproduct firmsThanassoulis, John January 2001 (has links)
No description available.
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Understanding the role of Umami in appetite control : a protein-specific effect?Masic, Una January 2014 (has links)
The fifth basic taste, ‘umami', is the flavour function elicited by amino acids like monosodium glutamate (MSG) in foods. This taste is recognized for its flavour enhancing properties but little is known about its effects on appetite and intake. Thus the experiments in this thesis aimed to understand how umami influences pleasantness, appetite stimulation, satiation and satiety using MSG, with some additional focus on its associated ribonucleotide inosine 5'-monophosphate (IMP). Chapter 2 established a bland, low glutamate control soup which was used throughout all subsequent experiments to test the effects of MSG on palatability using commercially-relevant concentrations. Chapters 3 and 4 assessed the influence of increasing palatability on rated appetite and intake of this soup with either added MSG (Chapter 3) or added sucrose (Chapter 4). No increase in hunger or intake was found after the more palatable conditions. Chapter 5 explored the relationship between MSG taste and protein regulation, assessing acute and habitual protein intake with findings indicating that high protein consumers liked high MSG concentrations more after an acute protein deprivation than sweet, salty or control flavours. Chapter 6 examined the time course of rated MSG satiety alone and in combination with either protein or carbohydrate in a preload soup and found enhanced rated satiety in MSG protein conditions. This design was extended in Chapter 7 to include an intake test after a pre-specified time of consuming the preload soup. The results indicated better compensation after MSG protein conditions but no differences in intake were found across carbohydrate or control conditions. Chapter 8 assessed MSG and IMP with or without added protein using the same design as Chapter 7 and found reductions in intake in MSG/IMP conditions. This suggests that the flavour of umami plays an important role in the regulation of appetite and intake.
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Conditioned taste aversion short-term expression and neural activation /Howard, Karilynn. Houpt, Thomas A. January 2003 (has links)
Thesis (M.S.)--Florida State University, 2003. / Advisor: Thomas A. Houpt, Florida State University, College of Arts and Sciences, Department of Biological Science. Title and description from dissertation home page (viewed Apr. 7, 2004). Includes bibliographical references.
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The modifiability of response to taste stimuli in the preschool childGauger, Marguerite Elston, January 1929 (has links)
Thesis (Ph. D.)--Columbia University, 1929. / Vita. Published also as Teachers college, Columbia university, Contributions to education, no. 348. Bibliography: p. 52-53.
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