Co-Planar Stereotaxic Atlas of the Human Brain—3-Dimensional Proportional System: An Approach to Cerebral Imaging, J. Talairach, P. Tournoux. Georg Thieme Verlag, New York (1988), 122 pp., 130 figs. DM 268

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An Introduction To The Event Related Potential Technique

The mismatch negativity (MMN) in basic research of central auditory processing: a review.

We provide an “executive-attention” framework for organizing the cognitive neuroscience research on the constructs of working-memory capacity (WMC), general fluid intelligence, and prefrontal cortex (PFC) function. Rather than provide a novel theory of PFC function, we synthesize a wealth of singlecell, brain-imaging, and neuropsychological research through the lens of our theory of normal individual differences in WMC and attention control (Engle, Kane, & Tuholski, 1999; Engle, Tuholski, Laughlin, & Conway, 1999). Our critical review confirms the prevalent view that dorsolateral PFC circuitry is critical to executive-attention functions. Moreover, although the dorsolateral PFC is but one critical structure in a network of anterior and posterior “attention control” areas, it does have a unique executiveattention role in actively maintaining access to stimulus representations and goals in interference-rich contexts. Our review suggests the utility of an executive-attention framework for guiding future research on both PFC function and cognitive control.

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The role of prefrontal cortex in working-memory capacity, executive attention, and general fluid intelligence: An individual-differences perspective

Event-related potentials ~ERPs! recorded from the human scalp can provide important information about how the human brain normally processes information and about how this processing may go awry in neurological or psychiatric disorders. Scientists using or studying ERPs must strive to overcome the many technical problems that can occur in the recording and analysis of these potentials. The methods and the results of these ERP studies must be published in a way that allows other scientists to understand exactly what was done so that they can, if necessary, replicate the experiments. The data must then be analyzed and presented in a way that allows different studies to be compared readily. This paper presents guidelines for recording ERPs and criteria for publishing the results.

/pdf/guidelines-for-using-human-event-related-potentials-to-study-4ls0lbji26.pdf

Guidelines for using human event-related potentials to study cognition: Recording standards and publication criteria

Frequency-related differences in the speed of human auditory processing

Purpose of reviewFrom the cochlea to associative auditory cortex, incoming acoustic data undergo a series of transformations that allow us to build up representations of the various sound sources present in the environment. Here, we examine the role of selective attention in this process, with an em

From sounds to meaning: the role of attention during auditory scene analysis

Age-related differences in auditory evoked responses during rapid perceptual learning

According to the object-based account of attention, multiple objects coexist in short-term memory (STM), and we can selectively attend to a particular object of interest. Although there is evidence that attention can be directed to visual object representations, the assumption that attention can be oriented to sound object representations has yet to be validated. Here, we used a delayed match-to-sample task to examine whether orienting attention to sound object representations influences change detection within auditory scenes consisting of 3 concurrent sounds, each occurring at a different location. On some trials, the 2 scenes were identical; in the remaining trials, the locations of 2 sounds were switched. In a control experiment, we first identified auditory scenes, in which the 3 sounds were unambiguously segregated, for the subsequent experiments. In 2 experiments, we showed that orienting attention to a sound object representation during memory retention (via a retro-cue) enhanced performance relative to uncued trials, up to 4so fmemory retention. Our study shows that complex auditory scenes composed of cooccurring sound sources are quickly parsed into sound object representations—which are then available for top-down selective attention. Here, we demonstrate that attention can be guided toward 1 of those representations, thereby attenuating change deafness. Furthermore, the effects of retro-cues in audition extend analogous findings in the visual domain, thereby suggesting that orienting attention to an object within visual or auditory STM may follow similar processing principles.

Orienting Attention to Sound Object Representations Attenuates Change Deafness.

Auditory event-related brain potentials (ERPs) and reaction times were, analyzed in a selective attention task in which subjects attended to tone pips presented at high rates-Xinterstimulua intervals [ISIs] of 40-200 msec). Subjects responded to infrequent target tones of a specified frequency (250 or 4000 Hz) and location (left or right ear) that were louder than otherwise identical tones presented randomly to the left and right ears. Negative difference (Nd) waves were isolated by subtracting ERPs to tones with no target features from ERPs to the same tones when they shared target location, frequency, or both frequency and location cues. Nd waves began 60-70 msec after tone onset and lasted until 252–350 msec after tone onset, even for tones with single attended cues. The duration of Nd waves exceeded the ISIs between successive tones, implying that several stimuli underwent concurrent analysis. Nd waves associated with frequency processing had scalp distributions different from those associated with location processing, implying that the features were analyzed in distinct cortical areas. Nd waves specific to auditory feature conjunction were isolated. These began at latencies of 110–120 msec, some 30-40 msec after the Nds to single features. The relative timing of the different Nd waves suggests that auditory feaure conjunction begins after a brief parallel analysis of individual features but before feature analysis is complete.

/pdf/feature-processing-during-high-rate-auditory-selective-2xmwm91393.pdf

Claude Alain

Papers

Frequency-related differences in the speed of human auditory processing

From sounds to meaning: the role of attention during auditory scene analysis

Age-related differences in auditory evoked responses during rapid perceptual learning

Orienting Attention to Sound Object Representations Attenuates Change Deafness.

Feature processing during high-rate auditory selective attention.