physiology

fMRI

psychophysics

theory

 

 

  Work in progress
  Buracas,G.T. Information-theoretic framework for attention. in preparation
  Buracas,G.T., Chiaramitaro, V, and Boynton, G.M. Comodulation of Sensory Cortical Areas during Discrimination Tasks. in preparation  
  Buracas,G.T., and Boynton, G.M. The Effects of Spatial Attention on Stimulus Contrast in Human Visual Cortex. in preparation
  Books
  Buracas, G.T., Ruksenas, O., Boynton, G.M., Albright, T.D., Eds. (2003) Modulation of Neuronal Responses: Implications for Active Vision. IOS Press, Netherlands.  (Advanced tutorial book based on lectures delivered at Nida Advanced Study Institute, 2000)
  Peer-reviewed publications
  Chiaramitaro, V, Buracas,G.T. and Boynton, G.M. (2005) Differential Effects of Unimodal and Cross-Modal Attention across the Hierarchy of Early Visual Areas. submitted 
 

Buracas,G.T., Boynton, G.M., Buxton, R.B. (2005) Spatiotemporal Linear Systems Analysis of BOLD responses in Visual Cortex. submitted 
 

Buracas, G.T., Fine, I., and Boynton, G.M. (2005) The relationship between task performance and fMRI response. J. Neurosci., in press.
  Liu, T.T., Behzadi, Y., Restom, K., Uludag, K., Lu, K., Buracas, G.T., Dubowitz, D., & Buxton, R.B. (2004) Caffeine Alters the Temporal Dynamics of the Visual BOLD Response. NeuroImage, 23, 1402-13.
 

Buracas, G.T., Saenz, M, and Boynton, G.M. (2003) Dual Nature of Attention. In: Modulation of Neuronal Responses: Implications for Active Vision. IOS Press, Netherlands.

 

Saenz, M., Buracas, G.T., and Boynton, G.M. (2003) Global feature-based attention for motion and color. Vision Research, 43, 629-37.

 

Buracas, G.T. and Boynton, G.M.(2002) Efficient design of event-related fMRI experiments using m-sequences. NeuroImage, 16, 801-13.

 

Saenz, M., Buracas, G.T., and Boynton, G.M. (2002) Feature-Based Attention Effects in Human Visual Cortex. Nature Neuroscience, 5, 631-2.

 

Buracas, G.T., & Albright, T.D. (1999) Gauging sensory representations in the brain.Trends Neurosci., 22, 303-309.

 

Buracas,  G.T., & Albright, T.D. (1999)  Estimation of information in neuronal responses – Reply.  Trends Neurosci., 22, 543-543.

 

Buracas, G.T., & Albright, T.D. (1999) Covert visual search: A comparison of performance by humans and macaques (Macaca mulatta). Behav. Neurosci.,113, 451-464.
 

Buracas, G.T., Zador, A., DeWeese, M., & Albright, T.D. (1998) Efficient encoding of rapidly varying stimuli by motion-sensitive neurons in MT of alert monkeys. Neuron, 20(5), 959-969.

 

Buracas, G.T., Albright, T.D., & Sejnowski, T.J. (1996) Varieties of attention: A model of visual search. Institute of Neural Computation Proc. 3rd Joint Symposium on Neural Computation, 6, 11-25.

 

Buracas, G.T., & Albright, T.D. (1996) Contribution of area MT to perception of three-dimensional shape: A computational study. Vision Res., 36, 869-887.

 

Buracas, G.T. & Albright, T.D. (1994) The role of MT neuron receptive field surrounds in computing object shape from velocity fields. In: Cowan, J.D., Tesauro, G., and Alspector, J. (Eds.) Advances in Neural Information Processing Systems, 6. Morgan Kaufman Publishers, San Francisco; 969-976.
  Abstracts
  Buracas,G.T., Chiaramitaro, V., and Boynton, G.M. (2004) Co-modulation of Sensory Cortical Areas during Discrimination Tasks. Soc. Neurosci. Abs., 30.
  Chiaramitaro, V, Buracas,G.T. and Boynton, G.M.(2004) Differential Effects of Unimodal and Cross-Modal Attention across the Hierarchy of Early Visual Areas. Human Brain Mapping, Budapest,TH19.
  Buracas,G.T., R.B.Buxton, and Boynton, G.M.(2004) Spatial Linear Systems Analysis of BOLD responses in Visual Cortex. Human Brain Mapping, Budapest, TU210.
 

Rubio, M. A., Basho, S., Haist, F., Wulfeck, B., Reilly, J. S., Buracas, G. T., Buxton, R. B., Bates, E., & Muller, R.-A. 2003. Hemodynamic effects of overt speech and paced production in semantic fluency tasks. Neuroimage, 19, 1352.
 

Buracas,G.T., and Boynton, G.M.(2003) The Effects of Spatial Attention on Stimulus Contrast in Human Visual Cortex. , Soc. Neurosci. Abs., 29.

 

Buracas,G.T. and Boynton, G.M.(2003) Efficient Estimation of Hemodynamic Responses with M-Sequences. International Society for Magnetic Resonance in Medicine Conference, Toronto, Canada.

 

Saenz M., Buracas G.T., Boynton G.M. (2002) Global effects of feature-based attention to direction of motion and color. Vision Sciences Society, 2nd annual meeting.

  Saenz, M.T., Buracas G.T., and Boynton, G.M. (2002) Global effects of feature-based attention in human visual cortex. Human Brain Mapping Conference, Sendai, Japan.
 

Buracas,G.T. and Boynton, G.M.(2002) Efficient design of event-related fMRI experiments using m-sequences. Human Brain Mapping Conference, Sendai, Japan.

 

Saenz M., Buracas G.T., Boynton G.M. (2001) Feature-based attention effects in  human visual cortex. Soc. Neurosci. Abs., 27, 1500.

 

Saenz M., Buracas G.T., Boynton G.M. (2001) Feature-based attentional effects in early human visual cortex. Vision Sciences Society, 1st annual meeting.

 

Buracas, G.T., Saenz, M.T., and Boynton, G.M. (2000) Comparing fMRI responses to discrimination thresholds using population-based models. Soc. Neurosci. Abs. 26-2, 2231.
 

Buracas, G.T., and Boynton, G.M. (1999) Spatial versus task-specific attention in  human occipital and parietal cortex. Soc. Neurosci. Abs., 25-1, 287.

 

Buracas, G.T., Lee,D.K., Koch, C., Albright, T.D., Croner, L.J. (1998). Attentional modulation of motion perception. . Invest. Ophthalm.Visual Sci., 39(4), S1077.

 

Buracas G.T., and Albright, T.D. (1997) Neural correlates of target selection in areaMT.   In: Principles of Neural Integration. Instituto Juan March de Estudios e Investigaciones, 70, 54.

 

Buracas, G.T., Zador, A., DeWeese, M., & Albright, T.D. (1997).Synchronous locking of area MT neurons to rapidly changing stimuli. Soc. Neurosci. Abs., 23-1, 457.

 

Buracas, G.T., Zador, A., DeWeese, M., & Albright, T.D. (1996) Measurements of information rates in monkey MT neurons in response to time varying stimuli. Soc. Neurosci. Abs., 22-1, 717.

 

Buracas, G.T. & Albright, T.D. (1996) Guided search for conjunctions of color and motion in humans and monkeys. Invest. Ophthalm.Visual Sci., 37, S298.

  Buracas G.T., and Albright, T.D. (1995) Neural correlates of target detection during visual search in area MT. Soc. Neurosci.Abs., 21-3, 1759.
 

Buracas, G.T. & Albright, T.D. (1994) Serial search for conjunctions of color and motion in macaques and humans. Soc. Neurosci. Abs., 20-1, 318.
 

Buracas,G.T. & Albright, T.D. (1994) A model of shape-from-motion computation by receptive field surrounds in areaMT. Perception, 22 supplement, 78.

 

Buracas, G., & Pleskaciauskas, A. (1985) Assessment of Neuronal Responses by Regression Models. In: Vision of Organisms and Robots,Vilnius.

Lithuanian publications