Scott Bressler

Scott Bressler
Boston University | BU · CompNet Center for Computational Neuroscience and Neural Technology

MS

About

23
Publications
1,332
Reads
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338
Citations
Additional affiliations
September 2007 - present
Boston University
Position
  • Engineer
Education
September 2012 - May 2017
Boston University
Field of study
  • Computational Neuroscience
September 2004 - May 2007
Boston University
Field of study
  • Biomedical Engineering
September 1990 - May 1994
Boston University
Field of study
  • Biology

Publications

Publications (23)
Article
Objective: Top-down spatial attention is effective at selecting a target sound from a mixture. However, nonspatial features often distinguish sources in addition to location. This study explores whether redundant nonspatial features are used to maintain selective auditory attention for a spatially defined target. Design: We recorded electroencep...
Article
Full-text available
Spatial selective attention greatly affects our processing of complex visual scenes, yet the way in which the brain selects relevant objects while suppressing irrelevant objects is still unclear. Evidence of these processes has been found using non-invasive electroencephalography (EEG). However, few studies have characterized these measures during...
Preprint
Top-down spatial attention is effective at selecting a target sound from a mixture. However, non-spatial features often distinguish sources in addition to location. This study explores whether redundant non-spatial features are used to maintain selective auditory attention for a spatially defined target. We recorded electroencephalography (EEG) whi...
Article
Blast-induced traumatic brain injury (TBI) and hearing loss are the two most common types of injuries sustained by military personnel while serving in the U.S. Global War on Terrorism. Recently several VA audiology clinics have reported active duty service members complaining of having problems communicating in noisy listening environments despite...
Article
Full-text available
Recent anecdotal reports from VA audiology clinics as well as a few published studies have identified a sub-population of Service Members seeking treatment for problems communicating in everyday, noisy listening environments despite having normal to near-normal hearing thresholds. Because of their increased risk of exposure to dangerous levels of p...
Article
One way to gain insight into how the brain normally processes auditory scenes is to explore the perceptual problems in special populations. In our lab, we are studying two types of listeners who, although very different, both have trouble making sense of complex scenes: listeners with autism who are minimally verbal (MVA listeners), and blast-expos...
Poster
Whether The Dress is blue and black, white and gold, or just plain ugly, one thing is certain—it is guaranteed to generate passionate discussion. Lafer-Sousa et al. (2015) and Gegenfurtner et al. (2015) demonstrated substantial individual differences in the perceived color of The Dress. Here, we asked whether differences in perception of the ambigu...
Article
Full-text available
Music perception builds on expectancy in harmony, melody, and rhythm. Neural responses to the violations of such expectations are observed in event-related potentials (ERPs) measured using electroencephalography. Most previous ERP studies demonstrating sensitivity to musical violations used stimuli that were temporally regular and musically structu...
Conference Paper
A common complaint among returning combat veterans who have experienced some form of blast-related traumatic brain injury (bTBI) is difficulty understanding speech in noisy environments. Given that many veterans have noise-induced hearing deficits, hearing loss is one factor that may contribute to such complaints. Specifically, sensorineural hearin...
Article
Several studies have used auditory mismatch negativity (MMN) to study auditory stream segregation. Few of these studies, however, focused on the stream segregation that involves spatial hearing. The present study used MMNs to examine the spatial aspect of stream segregation. Traditional oddball streams were presented in a passive listening paradigm...
Article
It is estimated that 15-20% of veterans returning from combat operations have experienced some sort of traumatic brain injury (TBI), a majority of which are the result of exposure to blast forces from military ordinance. Many of these veterans complain of complications when understanding speech in noisy environments, even when they have normal or n...
Article
Full-text available
Selective auditory attention causes a relative enhancement of the neural representation of important information and suppression of the neural representation of distracting sound, which enables a listener to analyze and interpret information of interest. Some studies suggest that in both vision and in audition, the "unit" on which attention operate...
Conference Paper
Full-text available
Parsing complex auditory scenes requires the activation and coordination of many neuronal centers, both in subcortical and cortical portions of the auditory pathway. Several studies have demonstrated that even normal-hearing listeners exhibit a range of abilities on various auditory tasks. Previous work in our lab suggests this variability may be d...
Article
Full-text available
In the natural environment, listeners face the challenge of parsing the sound mixture reaching their ears into individual sources, and maintaining attention on a source of interest through time long enough to extract meaning. A number of studies have shown that continuity of certain acoustic features (including pitch, location, timbre, etc.) allows...
Article
Music perception requires the activation and coordination of many neuronal centers and pathways of the peripheral and central auditory pathway, which are highly overlapped with those of speech communication. Previous experiments have shown influences of musical training on brainstem encoding in the auditory periphery and long-term plasticity in the...
Article
Near threshold, the same physical stimuli sometimes are perceived, but sometimes go unheard. Past visual studies have shown cortical evoked response potentials (ERPs) recorded via electroencephalography (EEG) are greater when an input is perceived than when it is not detected. Here, this approach was extended to ask whether there are detectable dif...
Article
Full-text available
This paper examines the performance of several source separation systems on a speech separation task for which human intelligibility has previously been measured. For anechoic mixtures, automatic speech recognition (ASR) performance on the separated signals is quite similar to human performance. In reverberation, however, while signal separation ha...
Article
Subjects identified a random, spoken sequence of five monotonized digits (F(0) = 100 Hz) presented from 0( degrees ) azimuth. A monotonized masking sentence (F(0) = 84, 89, 94, 100, 106, 112, or 119 Hz) was presented simultaneously from either 0( degrees ) and +90( degrees ) azimuth (chosen randomly on each trial). The same talker recorded both tar...
Article
Many studies show that reverberant energy can interfere with the ability to understand a listener by smearing out the temporal modulations and distorting the spectral content that convey speech meaning. However, the amount of distortion caused by the reverberation in everyday settings often is not severe enough to degrade speech understanding when...
Article
Peripheral blood cells (PBPC) are an alternative source of bone marrow for allogeneic transplantation. Reports from recent clinical trials granulocyte colony-stimulating factor (G-CSF)-mobilized PBPC for allogeneic transplantation show incidence and severity of graft-vs.-host disease (GVHD) similar to those observed in conventional bone marrow tran...
Article
European ferret (Mustela putorius furo) mothers displayed significantly higher levels of anogenital licking (AGL) towards male as opposed to female kits in tests given on postpartum (P) days 6, 12, and 15. In these tests the entire litter was removed from the nestbox for 10 min, whereupon individual male and female kits were reintroduced to the mot...
Article
In rodents, reproductively relevant pheromonal cues are detected by receptors in the vomeronasal organ, which in turn transmit this information centrally via the accessory olfactory bulb, the medial nucleus of the amygdala, the posterior medial bed nucleus of the stria terminalis and the medial preoptic area. In the rat, more neurons are present in...

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