501 Poster Developmental, Neurogenesis, and ConsumerResearchPLEASANTNESS INFORMATION FACILITATES DETECTIONIN TASTEVeldhuizen M.G. 1 , Meggelen Van C. 1 , Kroeze J.H. 2 1 PsychologicalLaboratory, Utrecht University, Utrecht, Netherlands; 2 WageningenTaste and Smell Center, Wageningen University and Research Center,Wageningen, NetherlandsAffective context has been shown to influence performance on anumber of tasks in several sensory modalities. It is not known whetheraffective context is able to influence perceptual processing in taste. Intwo experiments we investigated a special cross-modal top-downexample of affective priming, namely detection of taste targets precededby visually presented words containing pleasantness information. In thefirst experiment with long prime presentation times (1000 ms) and longprime-target intervals (750-1000 ms) we found that detection times ofgustatory target stimuli are shortened if the pleasantness information inthe prime is congruent with hedonic tone of the taste stimulus (e.g.“good”-sucrose; “bad”-caffeine; “neutral”-demineralised water) ascompared to incongruent prime-target combinations (F (1,14) = 5.253, p =0.038). In the second experiment using shorter prime presentation times(200 ms), this facilitation of detection by an affectively congruentcontext was replicated (F (2,24) = 8.787, p = 0.001). In the firstexperiment congruency facilitation was most prominent for sucrose, inthe second experiment for caffeine. This finding supports the idea ofpreferential facilitation of the processing of negative stimuli under timeconstraints.Without time-constraints positive stimuli might benefitmost from congruency facilitation. This is in line with findings in theperceptual-defense literature, claiming that the defense against negativestimuli demand extra attentional resources leading to a delay ofresponse.503 Poster Developmental, Neurogenesis, and ConsumerResearchIDENTIFICATION OF LATENT VARIABLES IN A SEMANTICODOR PROFILE DATABASE USING PRINCIPALCOMPONENT ANALYSISZarzo M. 1 , Stanton D. 2 1 Procter & Gamble, Cincinnati, OH;2 Corporate Modeling and Simulations, Procter & Gamble, Cincinnati,OHMany classifications of odors have been proposed, but none of themhas yet gained wide acceptance. Odor sensation is usually described bymeans of odor character descriptors. If these semantic profiles areobtained for a large diversity of compounds, the resulting database canbe considered representative of odor perception space. Few of thesecomprehensive databases are publicly available, being a valuable sourceof information for fragrance research. Their statistical analysis hasrevealed that the underlying structure of odor space is highlydimensional, not governed by a few primary odors. In a new effort tostudy the underlying sensory dimensions of the multivariate olfactoryperception space, we have applied Principal Component Analysis to adatabase of 881 perfume materials with semantic profiles comprising 82odor descriptors. The relationships identified between the descriptorsare consistent with those reported in similar studies, and have allowedtheir classification into 15 groups. This work has been funded by apostdoctoral grant sponsored by the Fulbright Program and the SpanishMinistry of Education and Science.502 Poster Developmental, Neurogenesis, and ConsumerResearchCORRELATION BETWEEN BRAIN ACTIVITY AND ONLINEPSYCHOPHYSICAL MEASUREMENT: HOW THEEVALUATIVE TASK AFFECTS BRAIN ACTIVATIONCerf-Ducastel B. 1 , Haase L.B. 1 , Kemmotsu N. 1 , Jacobson A. 1 , Green E. 1 ,Murphy C. 1 1 Psychology, San Diego State University, San Diego, CAWe used event related fMRI (3T GE) to investigate corticalactivations related to taste. Subjects performed two separate runs. Inone, they evaluated the pleasantness of the simuli, in the other, theirintensity, while stimuli were presented to the mouth as 0.3 ml ofsolution in 1 s boluses alternating with water. An important questionrelated to this type of paradigm is whether the cognitive task, i.e.evaluating intensity or pleasantness, affects the perception of thestimuli. To investigate this question, we compared the level ofcorrelation between the psychophysical measures of intensity ofpleasantness and the brain activity in both cognitive tasks, in 4 regionsof interest, amygdala, orbitofrontal cortex BA13, BA47 and insula.Image analysis was conducted using AFNI (Cox, 1996). Results showedthat for sucrose, saccharin, citric acid and caffeine, pleasantness ratingswere significantly more strongly correlated with brain activity whensubjects evaluated pleasantness than when subjects evaluated intensity(p = 0.039); there was a similar effect for intensity ratings thatapproached significance (p = 0.057) with intensity ratings more stronglycorrelated with brain activity when subjects evaluated intensity.Interestingly, 2 of the 6 stimuli, GMP and NaCl showed oppositeeffects. Although the interpretation of this observation is still unclear, itreinforces the importance of sampling a wide range of stimuli in orderto understand the complex mechanisms at play in gustatory function.Supported by NIH grant numbers R01AG04085 to CM andR03DC051234 to BCD.126
Abaffy, Tatjana, 337Abe, Keiko, 67, 73, 348Abraham, Michael H., 206Abreu, Diana, 499Acharya, Nikhil, 418Ache, Barry W., 34, 45, 162, 278Achiriloaie, Ioan, 164Adamson, Ashley, 427Adolfsson, Rolf, 111Aggarwal, Dimple, 129Aggio, Juan F., 278Agmo, Anders, 317Aguzzi, Adriano, 415Ahmad, Obaydah, 466Ahmed, Farooq, 364Ahmed, Osama, 407Ahmed, Tamer A., 418Aigaki, Toshiro, 299Aioun, Josiane, 12Akiba, Yosuke, 242, 243Alan, Gelperin, 251Alarcon, Suzanne M., 157, 217Albeanu, Dinu, 302Albers, Mark, 112Albin, Kelly, 120, 202Albrecht, Jessica, 98, 121, 141, 201Allmon, Tara, 95Anand, Tarini, 185Anderson, Alisha R., 350, 351Anderson, Kari R., 288Antolin, Salome, 37Antunes, Marcelo B., 376Anzinger, Andrea, 98, 121, 141, 201Apfelbach, Raimund, 261Araneda, Ricardo C., 304Archbold, Georgina, 318Arki-Burstyn, E., 444Asakura, Tomiko, 73Asson-Batres, Mary Ann, 466Atema, Jelle, 19Auclair, François, 267Aungst, Jason L., 244Aungst, Stephanie, 248Avci, Zeynep, 290Bachmanov, Alexander A., 61, 362, 431, 432Bacigalupo, Juan, 36Bahl, Gautam, 334Bailie, Jason M., 108, 168, 186Baird, John-Paul P., 396, 429Baker, Harriet, 242, 243Baker, Thomas C., 282Balderston, Catherine, 131Balleine, Bernard, 308Balu, Ramani, 237Baly, Christine, 44Baquero, Arian F., 64Barlow, Linda A., 442, 447Barnes, Karen W., 181Barnett, Kara R., 493Barrett, Fred, 217Barrows, Jennell K., 392Bartoshuk, Linda, 129Bartoshuk, Linda M., 128, 132, 175Bath, Kevin George, 460Battey, James F., 71, 365Baum, Michael J., 319Beauchamp, Gary, 210, 323, 324, 325, 362, 431, 432Behar, Kevin, 246Bell, Wade E., 46Belluscio, Leonardo, 1Belzer, Lisa, 127Benali, Alia, 53Bender, Genevieve, 405Bensafi, Moustafa, 331Benton, Richard, 16Berendse, Henk W., 92, 225Berg, Stephanie, 68Bergman, Daniel A., 462Berlin, RoseAnn, 243Berteretche, Marie-Violaine, 60Beuthien-Baumann, Bettina, 212Bezençon, Carole, 153Bézirard, Valérie, 361Biel, Martin, 30Biju, K. C., 471Bilecen, Deniz, 109Bjerselius, Rickard, 23Blake, Camille, 322Blonde, Ginger, 428Bobkov, Yuriy V., 34, 45, 162Boehm, Thomas, 326Boekhoff, Ingrid, 75Boesveldt, Sanne, 92Borders, Aaron S., 459Borth, Heike, 75Bosak, Natalia P., 362Botros, James, 319Boucher, Yves, 120, 361Boughter, John D., 358Bovetti, Serena, 489Bovolin, Patrizia, 489Bowler, Rosemarie, 376Boyle, Julie A., 99, 330Bradenham, Benjamin Persons, 382Bradley, Jonathan, 30Bradley, Robert M., 387, 388Bramlett, Mallory, 427Brand, Joseph G., 130, 359Brasser, Susan M., 117Breer, Heinz, 13, 266Brereton, Richard G, 150Breslin, Paul, 89, 156, 210, 407Breslin, Paul A.S., 118, 157, 217, 305, 359, 369Breza, Joseph M., 419Brideau, Nick, 475127
- Page 1 and 2:
1 Symposium Chemosensory Receptors
- Page 3 and 4:
9 Symposium Chemosensory Receptors
- Page 5 and 6:
17 Givaudan LectureFISHING FOR NOVE
- Page 7 and 8:
25 Symposium Impact of Odorant Meta
- Page 10 and 11:
37 Poster Peripheral Olfaction and
- Page 12 and 13:
45 Poster Peripheral Olfaction and
- Page 14 and 15:
53 Poster Peripheral Olfaction and
- Page 16 and 17:
61 Poster Peripheral Olfaction and
- Page 18 and 19:
69 Poster Peripheral Olfaction and
- Page 20 and 21:
77 Poster Peripheral Olfaction and
- Page 22 and 23:
85 Poster Peripheral Olfaction and
- Page 24 and 25:
93 Poster Chemosensory Coding and C
- Page 26 and 27:
101 Poster Chemosensory Coding and
- Page 28 and 29:
109 Poster Chemosensory Coding and
- Page 30 and 31:
117 Poster Chemosensory Coding and
- Page 32 and 33:
125 Poster Chemosensory Coding and
- Page 34 and 35:
133 Poster Chemosensory Coding and
- Page 36 and 37:
sniffing behavior. Furthermore, we
- Page 38 and 39:
149 Slide Chemosensory Coding and C
- Page 40 and 41:
157 Slide Taste ChemoreceptionHTAS2
- Page 42 and 43:
165 Poster Multimodal, Chemosensory
- Page 44 and 45:
173 Poster Multimodal, Chemosensory
- Page 46 and 47:
181 Poster Multimodal, Chemosensory
- Page 48 and 49:
189 Poster Multimodal, Chemosensory
- Page 50 and 51:
197 Poster Multimodal, Chemosensory
- Page 52 and 53:
205 Poster Multimodal, Chemosensory
- Page 54 and 55:
213 Poster Multimodal, Chemosensory
- Page 56 and 57:
221 Poster Multimodal, Chemosensory
- Page 58 and 59:
229 Slide Molecular Genetic Approac
- Page 60 and 61:
237 Poster Central Olfaction and Ch
- Page 62 and 63:
245 Poster Central Olfaction and Ch
- Page 64 and 65:
253 Poster Central Olfaction and Ch
- Page 66 and 67:
261 Poster Central Olfaction and Ch
- Page 68 and 69:
269 Poster Central Olfaction and Ch
- Page 70 and 71:
277 Poster Central Olfaction and Ch
- Page 72 and 73:
285 Poster Central Olfaction and Ch
- Page 74 and 75:
293 Poster Central Olfaction and Ch
- Page 76 and 77: 301 Slide Central OlfactionOLFACTOR
- Page 78 and 79: 309 Poster Chemosensory Molecular G
- Page 80 and 81: 317 Poster Chemosensory Molecular G
- Page 82 and 83: 325 Poster Chemosensory Molecular G
- Page 84 and 85: 333 Poster Chemosensory Molecular G
- Page 86 and 87: 341 Poster Chemosensory Molecular G
- Page 88 and 89: 349 Poster Chemosensory Molecular G
- Page 90 and 91: 357 Poster Chemosensory Molecular G
- Page 92 and 93: 365 Poster Chemosensory Molecular G
- Page 94 and 95: 373 Symposium Olfactory Bulb Comput
- Page 96 and 97: 381 Symposium Presidential: Why Hav
- Page 98 and 99: 389 Poster Central Taste and Chemos
- Page 100 and 101: 397 Poster Central Taste and Chemos
- Page 102 and 103: 405 Poster Central Taste and Chemos
- Page 104 and 105: 413 Poster Central Taste and Chemos
- Page 106 and 107: 421 Poster Central Taste and Chemos
- Page 108 and 109: 429 Poster Central Taste and Chemos
- Page 110 and 111: 437 Symposium Neural Dynamics and C
- Page 112 and 113: 445 Poster Developmental, Neurogene
- Page 114 and 115: 453 Poster Developmental, Neurogene
- Page 116 and 117: 461 Poster Developmental, Neurogene
- Page 118 and 119: 469 Poster Developmental, Neurogene
- Page 120 and 121: 477 Poster Developmental, Neurogene
- Page 122 and 123: 485 Poster Developmental, Neurogene
- Page 124 and 125: 493 Poster Developmental, Neurogene
- Page 128 and 129: Brody, Carlos, 438Brown, R. Lane, 3
- Page 130 and 131: Gilbertson, Timothy Allan, 63, 64,
- Page 132 and 133: Klouckova, Iveta, 150Klyuchnikova,
- Page 134 and 135: Ni, Daofeng, 93Nichols, Zachary, 35
- Page 136 and 137: Sorensen, Peter W., 23, 288, 289Sou
- Page 138: Zeng, Musheng, 466Zeng, Shaoqun, 26