2009—“How to See Shapes Without Color”: Central States Philosophical Association (CSPA), St. Paul MN.
—“Christian Philosophy and the Wisdom Tradition”: Society of Christian Philosophers (SCP), Worcester MA
—“Confused about Constancy”: Philosophical Psychology Lab (PPL), Harvard, Cambridge MA
—“Critical Loyalty and the Sciences: The Unhinging of Christian Belief in Creation, Nature, and Death”: Hospitality, Critical Thinking, and Truth: Living the Tensions, Messiah College, Grantham, PA
2007—Touch at a Distance: A Case for Spatial Experience for Pacific APA (San Francisco)
2006—Crossmodal plasticity revealed by sensory devices shows change only in spatial experience, not sensory experience for The Association for the Scientific Study of Consciousness: St. Anne's, Oxford (June)
—Response: Miracles and Science: David Hume and Adam Smith on Wonder, Admiration, and Surprise by Eric Schlesinger (Syracuse) and Smith's Contempt by Kate Abramson (Indiana) for Eastern APA; Symposium on Adam Smith: Washington D.C. (December)
—Gareth Evans on Molyneux's Question: Sameness of Egocentric Information for The Society for Philosophy and Psychology: Washington University (June)
—2005—Consciousness and crossmodal integration for The Association for the Scientific Study of Consciousness - Caltech (June)
Papers under review: "Spatial Experience" and "Leibniz's Two Answers to Molyneux's Question"
Work in Progress: "Adam Smith's Answer to Molyneux's Question," "Sight by Simulation," "The Nature of Space: The Correspondence between Descartes and Henry More," "God, Natural Miracles, and Laws of Nature," and "Grunts, Gestures, and Grimaces: Reid's Theory of Language Acquisition"