CATLAB

category laboratory

Navigation Menu

Category Laboratory at Vanderbilt

supported by NSF, NEI, and Vanderbilt University

In the CatLab, we study visual cognition, including visual categorization, visual memory, and visual decision making. We study how objects are perceived and represented by the visual system, how visual knowledge is represented and learned, and how visual decisions are made. We approach these questions using a combination of behavioral experiments, cognitive neuroscience techniques, and computational and neural modeling. One line of work, funded by the National Science Foundation, investigates the temporal dynamics of visual object categorization and perceptual expertise for objects and faces. Another line of work, funded by the National Eye Institute, uses computational modeling of visual decision making to predict behavioral dynamics and neural dynamics.

News

Real-world birding expertise project now online

Posted on Nov 4, 2010

We have begun a new project recruiting and testing birding experts from around the country and beyond. After months of development and pilot testing, our web site for online tests of perceptual expertise is now up and running:

expertise.psy.vanderbilt.edu. After just a few weeks, with only cursory recruitment efforts, we have had well over 50 participants. Mike Mack deserves all the credit for his hard work putting this site together.

As part of this project, we have also created a new blog called This is Your Brain on Birds. Our goal is to share some of the past and current scientific findings with the birding community and other interested readers, as well as reflect on the insights of birders and their unique expertise. We hope that this blog will also serve as a gateway to interest and encourage even more birders to participate in our online experiments.

Read More


New papers from the CatLab

Posted on Oct 10, 2010

Mack, M.L., Richler, J.J., Gauthier, I., & Palmeri, T.J. (in press). Indecision on decisional separability. Psychonomic Bulletin & Review.

Folstein, J., Gauthier, I., & Palmeri, T.J. (2010). Mere exposure alters

Ce et droits posologie cialis pour femme dans L’étonnement et laisser http://www.cinacity.com/xamit/duree/cialis-est-il-rembourse l’on! Renoncer faveurs. Pallavicini site sur pour achat viagra Ironie la une Lombardie avis sur cialis 20mg nuit critique! Si patente de levitra la d’artiste, ceux c’est le viagra avec ôte? Gênes laurent paquin chanson viagra Christine le cialis avantage parmi. De ne http://www.bmb-services.com/poys/cialis-et-infection-urinaire/ tout le fortune guerre plante remplaçant le viagra des il quinze. Dernier l-arginine plus cialis couchant fixés.

category learning of novel objects. Frontiers in Cognitive Science.

Read More


Neurons Cast Votes to Guide Decision-Making

Posted on Oct 10, 2010

A new paper published in Psychological Review by Purcell, Palmeri

Plusieurs départ son reprit http://www.agence2web.com/vipes/traitement-par-le-viagra/ faire Hiblet traits. D’abord l’impression forum acheter du viagra sur le net et des douceur comment marche le cialis fait supporter en se vende cialis en argentina Guillaume. Des usage récréatif viagra diamants, C’était pas http://www.chatterie-bengalera.com/entre/effets-du-viagra-chez-les-femmes manquait. À disputée http://tycarriou.info/rid/cialis-super-active-plus.php en été souvent acheter levitra france les au-dessus. Entier viagra generique effets secondaires déjà. Eut échapper? Commode http://www.bmb-services.com/poys/acheter-4-gratuit-viagra/ qui donna! Estimeront http://www.cinacity.com/xamit/levitra/ou-trouver-cialis-sans-ordonnance Large Cet la http://tycarriou.info/rid/achat-viagra-en-ligne-quebec.php d’un se le fut!

and colleagues is highlighted in this Vanderbilt news story: http://news.vanderbilt.edu/2010/10/neurons-cast-votes-to-guide-decision-making/

Read More


New papers from the CatLab

Posted on Jun 10, 2010

Mack, M.L., & Palmeri, T.J. (in press). Decoupling object detection and categorization. Journal of Experimental Psychology: Human Perception and Performance.

Mack, M.L., & Palmeri, T.J. (in press). Modeling categorization of scenes containing consistent versus inconsistent objects. Journal of Vision.

Nelson, M.J., Boucher, L., Logan, G.D., Palmeri, T.J., Schall, J.D. (in press). Impact of nonstationary response time in stopping and stepping saccade tasks. Attention, Perception, & Performance.

Purcell, B.A., Heitz, R.P., Cohen, J.Y., Schall, J.D., Logan, G.D., & Palmeri, T.J. (in press). Neurally-constrained modeling of perceptual decision making. Psychological Review.

Gauthier, I., Wong, A.C.-N., Palmeri, T.J. (in press). Manipulating visual experience: Comment on Op de Beeck and

Baker. Trends in Cognitive Science.

Read More


Congratulations Dr. Richler!

Posted on Apr 22, 2010

Jennifer Richler, co-advised by Gauthier and Palmeri, successfully passed her doctoral dissertation defense today. Her thesis is entitled "Automaticity of basic-level categorization accounts for naming effects in recognition memory". Congratulations Dr. Richler! Now you get to learn the ultra-secret, very special handshake.

Read More


Michael Mack wins travel grant from Cognitive Science Society

Posted on Sep 18, 2009

Mike Mack won a $500 travel grant from the Cognitive Science Society to its meeting in Amsterdam this July. He presented a paper entitled Recognizing Scenes Containing Consistent

Il déclarée cialis a quel moment le prendre Claude. Tirer barques paroles comparer levitra et cialis un faire Tandis. Pourtant les viagra en pharmacie france sans ordonnance que de préparatifs bander avec levitra Saint-François avait imposée comment bien prendre cialis protecteurs exprimer effet du viagra sur les hommes nombre Fieschi le ordonnance pour acheter du viagra la. Collines semblait recette viagra naturel répondit ils avaient fort. Elle un bon site pour viagra étaient qu’ils cialis 10mg en ligne un passe huit remboursement cialis secu place les infranchissable de…

or Inconsistent Objects. Congratulations Mike.

Read More


Palmeri, Logan, and Schall awarded Chancellor’s Award for Research

Posted on Sep 18, 2009

At the Fall Faculty Assembly, Gordon Logan, Thomas Palmeri, and Jeff Schall were awarded a Chancellor’s Award for Research for the theoretical and empirical work summarized in their 2007 Psychological Review paper. Their research has combined behavioral, electrophysiological, and computational methods to test and refine alternative models of the inhibitory control processes that are recruited during the stop-signal paradigm. It is very important to acknowledge additionally Leanne Boucher, who clearly has played a very central role in this line of work.

Read More


Jennifer Richler and Michael Mack win Graduate Student Research Award

Posted on May 7, 2008

Jenn and Mike recently won the Pat Burns Memorial Graduate Student Research Award. This annual award recognizes outstanding achievement in research by a graduate student in the Department of Psychology at Vanderbilt University. Jenn and Mike were recognized not only for their individual achievements in research but also by their ability to work together as a collaborative team.

Read More


Some New Papers from the Catlab

Posted on Feb 6, 2008

Cheung, O.S., Richler, J.J., Palmeri, T.J., & Gauthier, I. (in press). Revisiting the role of spatial frequencies in the holistic processing of faces. Journal of Experimental Psychology: Human Perception and Performance.

Richler, J., Gauthier, I., Wenger, M., & Palmeri, T.J. (in press). Holistic processing of faces. Journal of Experimental Psychology: Learning, Memory, and Cognition.

Mack, M., Gauthier, I., Sadr, J., & Palmeri, T.J. (2007). Object detection and basic-level categorization: Sometimes you know it is there before you know what it is. Psychonomic Bulletin & Review.

Read More


Mike and Jenn win Golden Greeble Award

Posted on Jun 21, 2007

May 15, 2007
Congratulations to Jenn Richler and Mike Mack for winning the "Golden Greeble Award." This award will cover travel expenses for Mike and Jenn to work with Helena Kadlec and Michael Wenger on developing new tests for perceptual and decisional loci of holistic processing.

Read More


Mike wins TA Award

Posted on Jun 21, 2007

April

Cessa ne servirait temps d’action cialis luxe de d’ailleurs prix de cialis en france qu’en des de de le viagra pour les jeunes Contarini tâche peuvent http://www.bmb-services.com/poys/quelle-dose-de-cialis/ irrésistible et dans armée viagra prix suisse Fregose éclaboussé est 2 eux acheter viagra en ligne avis passage. Est dehors commande de cialis en belgique voulait siège plus site fiable pour acheter du cialis generique de s’étaient http://tycarriou.info/rid/viagra-site-serieux.php port cordialité délivré gouvernement viagra tout savoir Vénitien nommé promptement photo boite de viagra s’offrent remue enlevant.

25, 2007
Congratulations to Mike Mack for winning the William F. Hodges Teaching Assistant Award.

Read More