Neuroimaging techniques can be used not only to identify the neural substrates of attention, but also to test cognitive ... which fMRI and MEG can provide key evidence in answering these questions. ...... cific activity at 160 msec: An MEG study.

perception of medicines in Nigeria essay sample. MODERN turbofan aeroengines almost universally use acoustic linings within the intake and bypass ducts to reduce noise. Simple mathematical models in simple geometries and more complicated numerical si

However, despite their strengths, at a psychological level, these models ... lel early behaviorist ideas, notably those of Thorndike and Hull. Here we review this work, and discuss how these shortcomings can be remedi- ated by ... to suggest that whi

Received 20 August 2003; received in revised form 8 December 2003. Abstract. Laboratory ...... Science, 299, 81–. 86. Burr, D. C., Morrone, M. C., & Ross, J. (1994). Selective suppression ... Crane, H. D., & Steele, C. S. (1978). Accurate three- ..

Nov 12, 1994 - This, of course, was not what was going on in other sciences, such as .... used to determine whether a German Shepherd dog's ears protrude ...

Mar 20, 1997 - Journal of Experimental Psychology: Human Perception and Performance .... interested in understanding what types of statistical regularities ...

Interestingly, when the SOA exceeded 300 ms, target detection performance ...... Psychological Science, 10, 360-365. .... Horowitz, T. S., & Wolfe, J. M. (1998).

nition test, viewing a version of the scene in which one object had been .... have found tat these short fixations occur regularly (Findlay, Gilchrist, and Brown,.

Top-down and bottom-up control of attention. Inhibitory ... The front end of a sensory system acts as a type of passive selector, admitting some stimuli and not ...

This paper describes the problem and proposes an experiment to .... available for modification and will be combined with custom-built data analysis software, which will ... [2] F. W. M. Stentiford, “An evolutionary programming approach to the ...

Sep 22, 1999 - ify the gain in neural response presumably underlying attention's influence. ... stationary test pattern viewed following prolonged adaptation to a moving ..... Treisman, A. M. & Gelade, G. A feature integration theory of attention.

light-headedness, dif®culty swallowing, and motor incoor- dination. Despite ... sensory and motor conduction velocities in the upper ... is, in general, incomplete.

Five male and 2 female undergraduate students at the. University of Delaware participated in the experiment as paid vol- unteers. All of them had normal or ...

Jun 7, 2007 - The bottom-up activation depends of the stimuli's properties and largely independent of the user's knowledge. Treisman [18] proposed that in a.

challenges with respect to the coordinate system used to control attention. ... flickering light in an otherwise static scene, automati- ... and powerful one that has variable selection criteria, .... Top-down attentional bias and training can modula

Academy for Lifelong Learning at. Carnegie Mellon University. Subjects were matched pairwise ...... frames. This hypothesis awaits further empirical verification.

attention can simultaneously gain access to internal representations of spatial information defined with ... particular frame of reference increases, so does the severity of neglect in that frame. ...... 160 trials were target-absent. The participant

The images are obtained from digital libraries already gathered from various royalty-free sources. All images will be displayed on a 15" LCD Flat Panel. Monitor ...

The pattern of these fixations and the choice of where to send the eye next is not ... near the target of an upcoming saccade. ...... First, damage to oculomotor centers in the brain ..... Wurtz, R. H., Goldberg, M. E., & Robinson, D. L. (1980). Beha

suppressive influence of a second stimulus presented within the same RF (Rey- nolds et al 1999). ..... responses in monkey cerebral cortex. J. Neurophysiol.

Within dynamic-pattern theory (DPT), biological sys- tems are formally described ... ac.be). Review. TRENDS in Cognitive Sciences Vol.8 No.1 January 2004. 18.

target \\?as randomly enlbcdded ncar the middle of a stream of 25 numerals. At the cnd of stinlulus presentation, subjccts typed. Dynamics of Automatic and ...

Dissociating components of visual attention: A neurodevelopmental ... horizontal and vertical meridians: Evidence in favor of a premotor theory of attention.