Publications

Electronic versions are provided as a professional courtesy to ensure timely dissemination of academic work for individual, noncommercial purposes. Copyright and all rights therein resides with the respective copyright holders, as stated within each paper. These files may not be reposted without permission.

Preprints/Submitted papers

• Camponogara, I., and Volcic, R. (2024). Actions obey Weber’s law when precision is evaluated at goal attainment. [bioRxiv doi: 10.1101/2024.07.15.603509]

Peer-reviewed Journal Articles

• Alsuradi, H., Hong, J., Sarmadi, A., Volcic, R., Salam, H., Atashzar, S.F., Khorrami, F., and Eid, M. (2024). Neural Signatures of Motor Imagery for a Supernumerary Thumb in VR: An EEG Analysis. Scientific Reports, 14, 21558. doi: 10.1038/s41598-024-72358-3

• Camponogara, I., Farnè, A., and Volcic, R. (2024). Tool-sensed object information effectively supports vision for multisensory grasping. Journal of Experimental Psychology: General, 153(8), 2127–2141. doi: 10.1037/xge0001592

• Stumpel, J., Volcic, R., and Wijntjes, M.W.A. (2024). Vagueness and Volume: testing the perception of depth in images with linear, sharp, or blurred contours. Journal of Vision, 24(4):12. doi: 10.1167/jov.24.4.12

• Derzsi, Z., and Volcic, R. (2023). Not only perception but also grasping actions can obey Weber’s law. Cognition, 237, 105465. doi: 10.1016/j.cognition.2023.105465

• Camponogara, I., and Volcic, R. (2022). Visual uncertainty unveils the distinct role of haptic cues in multisensory grasping. eNeuro, 9(3), 1–12. doi: 10.1523/ENEURO.0079-22.2022

• Camponogara, I., and Volcic, R. (2021). A brief glimpse at a haptic target is sufficient for multisensory integration in reaching movements. Vision Research, 185, 50–57. doi: 10.1016/j.visres.2021.03.012

• Camponogara, I., and Volcic, R. (2021). Integration of haptics and vision in human multisensory grasping. Cortex, 135, 173–185. doi: 10.1016/j.cortex.2020.11.012

• Camponogara, I. and Volcic, R. (2019). Grasping adjustments to haptic, visual and visuo-haptic object perturbations are contingent on the sensory modality. Journal of Neurophysiology, 122, 2614–2620. doi: 10.1152/jn.00452.2019

• Camponogara, I. and Volcic, R. (2019). Grasping movements toward seen and handheld objects. Scientific Reports, 9, 3665. doi: 10.1038/s41598-018-38277-w

• Wijntjes, M.W.A., Xiao, B., and Volcic, R. (2019). Visual communication of how fabrics feel. Journal of Vision, 19(2):4. doi: 10.1167/19.2.4

• Kopiske, K., Bozzacchi, C., Volcic, R., and Domini, F. (2019). Multiple distance cues do not prevent systematic biases in reach to grasp movements. Psychological Research, 83, 147–158. doi: 10.1007/s00426-018-1101-9

• Volcic, R., and Domini, F. (2018). The endless visuomotor calibration of reach-to-grasp actions. Scientific Reports, 8, 14803. doi: 10.1038/s41598-018-33009-6

• Derzsi, Z., and Volcic, R. (2018). MOTOM toolbox: MOtion Tracking via Optotrak and Matlab. Journal of Neuroscience Methods, 308, 129–134. doi: 10.1016/j.jneumeth.2018.07.007 Software and wiki: github.com/volcic/motom-toolbox

• Bozzacchi, C., Brenner, E., Smeets, J.B., Volcic, R., and Domini, F. (2018). How removing visual information affects grasping movements. Experimental Brain Research, 236, 985–995. doi: 10.1007/s00221-018-5186-6

• Volcic, R., and Domini, F. (2016). On-line visual control of grasping movements. Experimental Brain Research, 234, 2165–2177. doi: 10.1007/s00221-016-4620-x

• Bozzacchi, C., Volcic, R., and Domini, F. (2016). Grasping in absence of feedback: systematic biases endure extensive training. Experimental Brain Research, 234, 255–265. doi: 10.1007/s00221-015-4456-9

• Bozzacchi, C., Volcic, R., and Domini, F. (2014). Effect of visual and haptic feedback on grasping movements. Journal of Neurophysiology, 112, 3189–3196. doi: 10.1152/jn.00439.2014

• Volcic, R., and Domini, F. (2014). The visibility of contact points influences grasping movements. Experimental Brain Research, 232, 2997–3005. doi: 10.1007/s00221-014-3978-x

• Volcic, R., Fantoni, C., Caudek, C., Assad, J.A., and Domini, F. (2013). Visuomotor adaptation changes stereoscopic depth perception and tactile discrimination. Journal of Neuroscience, 33, 17081–17088. doi: 10.1523/JNEUROSCI.2936-13.2013

• Havermann, K., Volcic, R., and Lappe, M. (2012). Saccadic adaptation to moving targets. PLoS ONE, 7, e39708. doi: 10.1371/journal.pone.0039708

• Volcic, R., Wijntjes, M.W.A., Kool, E.C., and Kappers, A.M.L. (2010). Cross-modal visuo-haptic mental rotation: comparing objects between senses. Experimental Brain Research, 203, 621–627. doi: 10.1007/s00221-010-2262-y

• Volcic, R., Wijntjes, M.W.A., and Kappers, A.M.L. (2009). Haptic mental rotation revisited: multiple reference frame dependence. Acta Psychologica 130, 251–259. doi: 10.1016/j.actpsy.2009.01.004

• Wijntjes, M.W.A., Volcic, R., Pont, S.C., Koenderink, J.J., and Kappers, A.M.L. (2009). Haptics perception disambiguates visual perception of 3D shape. Experimental Brain Research, 193, 639–644. doi: 10.1007/s00221-009-1713-9

• Volcic, R., van Rheede, J.J., Postma, A., and Kappers, A.M.L. (2008). Differential effects of non-informative vision and visual interference on haptic spatial processing. Experimental Brain Research, 190, 31–41. doi: 10.1007/s00221-008-1447-0

• Volcic, R., and Kappers, A.M.L. (2008). Allocentric and egocentric reference frames in the processing of three-dimensional haptic space. Experimental Brain Research, 188, 199–213. doi: 10.1007/s00221-008-1353-5

• Volcic, R., Kappers, A.M.L., and Koenderink, J. J. (2007). Haptic parallelity perception on the frontoparallel plane: An involvement of reference frames. Perception and Psychophysics, 69, 276–286. doi: 10.3758/BF03193749

Software

• Derzsi, Z., and Volcic, R. (2018). MOTOM toolbox: MOtion Tracking with Optotrak and Matlab. Software and wiki: github.com/volcic/motom-toolbox

• Derzsi, Z., and Volcic, R. (2017). Creating noisy 3D shapes - an implementation using free and open source tools. OSF Preprints. doi: 10.17605/OSF.IO/WRK97

• Champely, S., Ekstrom, C., Dalgaard, P., Gill, J., Weibelzahl, S., Anandkumar, A., Ford, C., Volcic, R., De Rosario, H. (2017). pwr: Basic Functions for Power Analysis. doi: 10.32614/CRAN.package.pwr

Conference Publications

• Volcic, R., Vishwanath, D., and Domini, F. (2014). Reaching into pictorial spaces. In: Human Vision and Electronic Imaging XIX, Rogowitz, B.E., Pappas, T.N. and de Ridder, H. (eds.), Proceedings of SPIE, 9014, 901413, San Francisco, California, February 2–6, 2014. doi: 10.1117/12.2045458

• Nicolini, C., Fantoni, C., Mancuso, G., Volcic, R., and Domini, F. (2014). A framework for the study of vision in active observers. In: Human Vision and Electronic Imaging XIX, Rogowitz, B.E., Pappas, T.N. and de Ridder, H. (eds.), Proceedings of SPIE, 9014, 901414, San Francisco, California, February 2–6, 2014. doi: 10.1117/12.2045459

• Gerbino, W., Fantoni, C., Nicolini, C., Volcic, R., and Domini, F. (2013). Active Multisensory Perception tool: BUS experience and action comfort. In: Human Factors: sustainable life and mobility, De Waard, D., Brookhuis, K., Wiczorek, R., Di Nocera, F., Barham, P., Weikert, C., Kluge, A., Gerbino, W. and Toffetti, A. (eds.), Proceedings of the Human Factors and Ergonomics Society Europe Chapter 2013 Annual Conference, Torino, Italy, October 16–18, 2013.

• Wijntjes, M.W.A., Volcic, R., Pont, S.C., Koenderink, J.J., and Kappers, A.M.L. (2009). Haptic perception disambiguates visual perception of pictorial relief. In: Human Vision and Electronic Imaging XIV, Rogowitz, B.E. and Pappas, T.N. (eds.), Proceedings of SPIE, 7240, 72400L, San Jose, California, January 19–22, 2009. doi: 10.1117/12.817183

Monograph

• Volcic, R. (2008). Multiple reference frames in haptic spatial processing. Utrecht, The Netherlands: Ponsen & Looijen b.v., pp. 121, ISBN 978-90-6464-275-3.

Conference Presentations

• Derzsi, Z., Ceccarini, F., and Volcic, R. (2024). Lighting conditions affect the selection of contact points when grasping complex 3D shapes. In: Journal of Vision, 24, 1424, Vision Science Society Meeting (VSS), May 17–22, 2024. 10.1167/jov.24.10.1424

• Volcic, R., M.W.A. Wijntjes, and V.G. Marcano (2024). Cast shadows enhance pictorial depth perception of volumetric shapes. Vision and Depiction 2024, Delft (The Netherlands), February 7–9, 2024.

• Ceccarini, F., Derzsi, Z., and Volcic, R. (2023). Visuo-haptic multisensory integration in actions toward oriented objects. European Conference on Visual Perception (ECVP), Paphos, Cyprus, August 27–31, 2023.

• Camponogara, I., Abdulhadi, F., and Volcic, R. (2023). Memory-guided reaching movements toward haptically-encoded spatial locations. International Multisensory Research Forum (IMRF), Brussels, Belgium, June 27–30, 2023.

• Volcic, R., and Amer, M. (2023). Phantom tactile sensations induced by double vision. In: Journal of Vision, 23(9), 5971, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 19–24, 2023. 10.1167/jov.23.9.5971

• Stumpel, J., Wijntjes, M.W.A., and Volcic, R. (2023). Vagueness and volume: blurred contours and the perception of depth in images. In: Journal of Vision, 23(9), 5773, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 19–24, 2023. 10.1167/jov.23.9.5773

• Ceccarini, F., Camponogara, I., and Volcic, R. (2023). Not all actions violate Weber’s law. In: Journal of Vision, 23(9), 5262, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 19–24, 2023. 10.1167/jov.23.9.5262

• Camponogara, I., and Volcic, R. (2023). Multisensory grasping relies on individual finger positions and their joint relationship. In: Journal of Vision, 23(9), 4720, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 19–24, 2023. 10.1167/jov.23.9.4720

• Volcic, R., Amer, M. (2022). The instantaneous impact of a visuo-proprioceptive conflict on the localization of tactile sensations. Perception, 51 (1S), 1–207, European Conference on Visual Perception (ECVP), Nijmegen, The Netherlands, August 28–September 1, 2022. doi: 10.1177/03010066221141167

• Ceccarini, F., Camponogara, I., and Volcic, R. (2022). A new perspective on the Weber’s law in action. Perception, 51 (1S), 1–207, European Conference on Visual Perception (ECVP), Nijmegen, The Netherlands, August 28–September 1, 2022. doi: 10.1177/03010066221141167

• Camponogara, I., and Volcic, R. (2022). Visual and haptic control of grasping changes in the object proximity. Perception, 51 (1S), 1–207, European Conference on Visual Perception (ECVP), Nijmegen, The Netherlands, August 28–September 1, 2022. doi: 10.1177/03010066221141167

• Derzsi, Z., and Volcic, R. (2022). Grasping complies with Weber’s law, when biomechanical factors are not in the way. Perception, 51 (1S), 1–207, European Conference on Visual Perception (ECVP), Nijmegen, The Netherlands, August 28–September 1, 2022. doi: 10.1177/03010066221141167

• Camponogara, I., Farnè, A., and Volcic, R. (2022). Holding an object with a tool improves visually guided grasping. International Multisensory Research Forum (IMRF), Ulm, Germany, July 4–7, 2022.

• Piller, S., Senna, I., Wiebusch, D., Volcic, R., and Ernst, M.O. (2022). Visuo-haptically guided grasping in cataract-treated children. International Multisensory Research Forum (IMRF), Ulm, Germany, July 4–7, 2022.

• Camponogara, I., Farnè, A., and Volcic, R. (2021). Grasping objects held by the hand or by a tool: do haptics and tools supplement vision in equivalent ways? European Conference on Visual Perception (ECVP), online conference, August 22–27, 2021.

• Camponogara, I., and Volcic, R. (2021). Multisensory benefits when grasping under visual uncertainty. 31st Annual Neural Control of Movement Meeting (NCM), online conference, April 20–22, 2021.

• Piller, S., Senna, I., Wiebusch, D., Volcic, R., Ernst, M.O. (2021). Visuo-haptically guided grasping in cataract-treated children. 63. Tagung experimentell arbeitender Psychologen (TeaP), Ulm, Germany, online conference, March 14–17, 2021.

• Derzsi, Z., and Volcic, R. (2020). Is grasping always immune to Weber’s law? In: Journal of Vision, 20(11), 991, Virtual Vision Science Society Meeting (V-VSS), online conference, June 19–24, 2020. doi: 10.1167/jov.20.11.991

• Camponogara, I., and Volcic, R. (2020). Integration of visual and haptic information before and during grasping movements. Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 15–20, 2020. (Conference cancelled due to COVID-19)

• Camponogara, I., and Volcic, R. (2020). Grasping objects held by the hand or by a tool: do haptics and tools supplement vision in equivalent ways? 30th Annual Neural Control of Movement Meeting (NCM), Dubrovnik, Croatia, April 27–May 1, 2020. (Conference cancelled due to COVID-19)

• Camponogara, I., and Volcic, R. (2019). The role of visuo-haptic position and size signals when grasping handheld objects in visual periphery. Perception, 48(2S), 1–236, European Conference on Visual Perception (ECVP), Leuven, Belgium, August 25–29, 2019. doi: 10.1177/0301006619863862

• Derzsi, Z., and Volcic, R. (2019). Grasping complex 3D shapes. In: Journal of Vision, 19(10), 109d, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 17–22, 2019. doi: 10.1167/19.10.109d

• Wijntjes, M.W.A., and Volcic, R. (2019). Online shopping and the visual perception of fabric qualities. In: Journal of Vision, 19(10), 243c, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 17–22, 2019. doi: 10.1167/19.10.243c

• Camponogara, I., and Volcic, R. (2019). Haptic and visual information about the to-be-grasped object is integrated in specific parts of the movement planning and execution phases, 29th Annual Neural Control of Movement Meeting (NCM), Toyama, Japan, April 24–27, 2019.

• Volcic, R., and Camponogara, I. (2019). Visual and haptic cue integration for multisensory grasping, DyViTo: Dynamics in Vision and Touch Workshop, Rauischholzhausen, Germany, March 11–14, 2019.

• Volcic, R., and Camponogara, I. (2018). Visual and haptic cue integration for multisensory grasping. Perception, 48(1S), 1–233, European Conference on Visual Perception (ECVP), Trieste, Italy, August 26–30, 2018. doi: 10.1177/0301006618824879

• Camponogara, I., and Volcic, R. (2018). The flexible use of internal predictions and on-line feedback depends on the availability of multisensory information during action planning and execution. Perception, 48(1S), 1–233, European Conference on Visual Perception (ECVP), Trieste, Italy, August 26–30, 2018. doi: 10.1177/0301006618824879

• Wijntjes, M.W.A., and Volcic, R. (2018). Shape from random gradient and contour combinations. Perception, 48(1S), 1–233, European Conference on Visual Perception (ECVP), Trieste, Italy, August 26–30, 2018. doi: 10.1177/0301006618824879

• Kopiske, K., Bozzacchi, C., Volcic, R., and Domini, F. (2018). Grasping in depth shows the same biases as depth perception. Perception, 48(1S), 1–233, European Conference on Visual Perception (ECVP), Trieste, Italy, August 26–30, 2018. doi: 10.1177/0301006618824879

• Volcic, R., and Camponogara, I. (2018). The interplay of visual and haptic cues in multisensory grasping, International Multisensory Research Forum (IMRF), Toronto, Canada, June 14–17, 2018.

• Volcic, R., and Camponogara, I. (2018). How do vision and haptics combine in multisensory grasping? In: Journal of Vision, 18(10), 64, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 18–23, 2018. doi: 10.1167/18.10.64

• Camponogara, I., and Volcic, R. (2018). The effect of losing or gaining visual information on movement performance when reaching for haptic targets. In: Journal of Vision, 18(10), 62, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 18–23, 2018. doi: 10.1167/18.10.62

• Derzsi, Z., and Volcic, R. (2018). Getting started with the MOTOM toolbox — an Optotrak-Matlab interface: From the first beeps to fingertip tracking in virtual reality. In: Journal of Vision, 18(10), 58, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 18–23, 2018. doi: 10.1167/18.10.58

• Volcic, R., and Alalami, N.A. (2017). The role of proprioception in visuo-haptic size perception. In: Journal of Vision, 17(10), 360, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 19–24, 2017. doi: 10.1167/17.10.360

• Camponogara, I., and Volcic, R. (2017). On-line adjustments of grasping movements under visual, haptic and visuo-haptic guidance. In: Journal of Vision, 17(10), 460, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 19–24, 2017. doi: 10.1167/17.10.460

• Camponogara, I., and Volcic, R. (2017). Grasping movements directed towards visual, haptic and visuo-haptic objects. 27th Annual Neural Control of Movement Meeting (NCM), Dublin, Ireland, May 2–5, 2017.

• Vishwanath, D., Volcic, R., Domini, F. and Albertazzi L. (2015). Focussing and reaching in depth: Evidence linking monocular stereopsis and depth scaling. Applied Vision Association (AVA) Christmas Meeting, London, UK, December 21, 2015.

• Jarmolowska, J., Busan, P., Bencich, M., Gallina, P., Battaglini, P.P., Dalla Barba, G., Gerbino, W., Volcic, R., and Fantoni, C. (2015). Visuomotor adaptation changes tactile discrimination: an ERP study. Trieste Symposium on Perception and Cognition, Trieste, Italy, November 13, 2015.

• Bozzacchi, C., Volcic, R., and Domini, F. (2015). Depth constancy in grasping is only apparent. Perception, 44(1S), 1–415, European Conference on Visual Perception (ECVP), Liverpool, UK, August 23–27, 2015. doi: 10.1177/0301006615598674

• Volcic, R., and Domini, F. (2015). Sequential dependencies in grasping movements. In: Journal of Vision, 15(12), 1148, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 15–20, 2015. doi: 10.1167/15.12.1148

• Bozzacchi, C., Volcic, R., and Domini, F. (2015). Grasping lacks depth constancy in both virtual and real environments. In: Journal of Vision, 15(12), 1147, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 15–20, 2015. doi: 10.1167/15.12.1147

• Volcic, R., and Domini, F. (2014). Direct and carry-over effects in grasping actions. Science of Experiential and Qualitative Spaces Workshop (SEQS): Surfaces, Rovereto, Italy, December 2–3, 2014.

• Bozzacchi, C., Volcic, R., and Domini, F. (2014). Grasping movements: from virtual to real. Science of Experiential and Qualitative Spaces Workshop (SEQS): Surfaces, Rovereto, Italy, December 2–3, 2014.

• Volcic, R., and Domini, F. (2014). Visual on-line control of grasping movements. In: Journal of Vision, 14(10), 902, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 16–21, 2014. doi: 10.1167/14.10.902

• Bozzacchi, C., Volcic, R., and Domini, F. (2014). The role of egocentric and allocentric feedback in calibrating goal-oriented actions. In: Journal of Vision, 14(10), 412, Vision Science Society Meeting (VSS), St. Pete Beach, Florida, May 16–21, 2014. doi: 10.1167/14.10.412

• Bozzacchi, C., Volcic, R., and Domini, F. (2014). On grasping action in absence of feedback. 24th Annual Neural Control of Movement Meeting (NCM), Amsterdam, The Netherlands, April 22–26, 2014.

• Volcic, R., and Domini, F. (2013). Adaptation of reach-to-point movements changes reach-to-grasp actions. In: Journal of Vision, 13(9), 338, Vision Science Society Meeting (VSS), Naples, Florida, May 10–15, 2013. doi: 10.1167/13.9.338

• Havermann, K., Volcic, R., and Lappe, M. (2012). Saccadic learning signals during pursuit. 16th International Conference on Cognitive and Neural Systems (ICCNS), Boston, Massachusetts, May 30–June 1, 2012.

• Volcic, R., Fantoni, C., Caudek, C., and Domini, F. (2012). Compression of motor space expands perceptual spaces. In: Journal of Vision, 12(9), 1050, Vision Science Society Meeting (VSS), Naples, Florida, May 11–16, 2012. doi: 10.1167/12.9.1050

• Campagnoli, C., Volcic, R., and Domini, F. (2012). The same object and at least three different grip apertures. In: Journal of Vision, 12(9), 429, Vision Science Society Meeting (VSS), Naples, Florida, May 11–16, 2012. doi: 10.1167/12.9.429

• Volcic, R., Fantoni, C., Caudek, C., and Domini, F. (2012). A new visuo-motor contingency affects the 3D appearance of objects. Science of Experiential and Qualitative Spaces Workshop (SEQS): From Points and Lines to Surfaces and Volumes, Rovereto, Italy, February 19–22, 2012.

• Havermann, K., Volcic, R., and Lappe, M. (2011). Saccadic adaptation to moving stimuli. In: Journal of Eye Movement Research, 4(3), 81, European Conference on Eye Movements (ECEM), Marseille, France, August 21–25, 2011.

• Volcic, R., Fantoni, C., Caudek, C., and Domini, F. (2011). Visuo-motor recalibration alters depth perception. In: Journal of Vision, 11(11), 46, Vision Science Society Meeting (VSS), Naples, Florida, May 6–11, 2011. doi: 10.1167/11.11.46

• Stenzel, A., Lappe, M., Volcic, R., and Liepelt, R. (2011). Kein sozialer Simon Effekt f"{u*r Augenbewegungen? 53. Tagung experimentell arbeitender Psychologen (TeaP), Halle/Saale, Germany, March 13–16, 2011.

• Volcic, R., and Lappe, M. (2010). Sudden hand movements enhance gaze cueing. In: Journal of Vision, 10(7), 168, Vision Science Society Meeting (VSS), Naples, Florida, May 7–12, 2010. doi: 10.1167/10.7.168

• Volcic, R., and Lappe, M. (2009). Keeping an eye on each other: gaze behavior in joint action. International UJI Robotics School on Visuomotor Interaction, Benicassim, Spain, September 14–18, 2009.

• Volcic, R., and Lappe, M. (2009). Keeping an eye on each other: gaze behavior in joint action. Perception, 38(1S), 1–194, European Conference on Visual Perception (ECVP), Regensburg, Germany, August 24–28, 2009. doi: 10.1177/03010066090380S101

• Volcic, R., and Lappe, M. (2009). Predictive eye movements in gaze and action observation. In: Journal of Vision, 9(8), 436, Vision Science Society Meeting (VSS), Naples, Florida, May 8–13, 2009. doi: 10.1167/9.8.436

• Volcic, R., Wijntjes, M.W.A., Kool, E.C., and Kappers, A.M.L. (2008). The eyes touch what the hand sees: amalgamating modality-specific reference frames. Perception, 37(1S), 1–180, European Conference on Visual Perception (ECVP), Utrecht, The Netherlands, August 24–29, 2008. doi: 10.1177/03010066080370S101

• Wijntjes, M.W.A., Volcic, R., Koenderink, J.J., and Kappers, A.M.L. (2008). The influence of haptic perception on pictorial relief. Perception, 37(1S), 1–180, European Conference on Visual Perception (ECVP), Utrecht, The Netherlands, August 24–29, 2008. doi: 10.1177/03010066080370S101

• Volcic, R., Wijntjes, M.W.A., and Kappers, A.M.L. (2007). Phase shifts in haptic mental rotation reveal the role of reference frames. Trieste Symposium on Perception and Cognition, Trieste, Italy, November 22–23, 2007.

• Volcic, R., Wijntjes, M.W.A., and Kappers, A.M.L. (2007). Phase shifts in haptic mental rotation reveal the role of reference frames. ESF-EMBO Symposium - Three Dimensional Sensory and Motor Space: Perceptual Consequences of Motor Action, Sant Feliu de Guixols, Spain, October 6–11, 2007.

• Volcic, R., van Rheede, J.J., Postma, A., and Kappers, A.M.L. (2007). Visual interference modulation on haptic parallelity matching. Perception, 36(1S), 1–235, European Conference on Visual Perception (ECVP), Arezzo, Italy, August 27–31, 2007. doi: 10.1177/03010066070360S101

• Volcic, R., Wijntjes, M.W.A., and Kappers, A.M.L. (2007). Haptic mental rotation: a window into the coding of object orientation. 4th Helmholtz Retreat, Bergen, The Netherlands, June 13–15, 2007.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2006). Intermediate frames of reference in the 3-D haptic perception of space. Trieste Symposium on Perception and Cognition, Trieste, Italy, October 26–27, 2006.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2006). Intermediate frames of reference in the 3-D haptic perception of space. NWO Cognition Summer School, Doorwerth, The Netherlands, October 13–15, 2006.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2006). Intermediate frames of reference in the 3-D haptic perception of space. Joint Experimental Psychology Society (EPS-UK) and Nederlandse Vereniging voor Psychonomie (NVP-NL) Conference, Birmingham, UK, April 10–12, 2006.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2005). Haptic reproduction of orientations on the frontoparallel plane. Nederlandse Vereniging voor Psychonomie (NVP) Winter congress, Egmond an Zee, The Netherlands, December 16–17, 2005.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2005). Bimanual parallelity task on the frontoparallel plane. World Haptics Conference: First Joint Eurohaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems, Pisa, Italy, March 18–20, 2005.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2004). Haptic perception on a frontoparallel plane. Trieste Symposium on Perception and Cognition, Trieste, Italy, December 10, 2004.

• Volcic, R., Kappers, A.M.L., and Koenderink J.J. (2004). Haptic perception on a frontoparallel plane. NWO Cognition Summer School, Doorwerth, The Netherlands, October 18–20, 2004.

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