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Sensitivity of the human auditory cortex to acoustic degradation of speech and non-speech sounds

Overview of attention for article published in BMC Neuroscience, February 2010
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Title
Sensitivity of the human auditory cortex to acoustic degradation of speech and non-speech sounds
Published in
BMC Neuroscience, February 2010
DOI 10.1186/1471-2202-11-24
Pubmed ID
Authors

Ismo Miettinen, Hannu Tiitinen, Paavo Alku, Patrick JC May

Abstract

Recent studies have shown that the human right-hemispheric auditory cortex is particularly sensitive to reduction in sound quality, with an increase in distortion resulting in an amplification of the auditory N1m response measured in the magnetoencephalography (MEG). Here, we examined whether this sensitivity is specific to the processing of acoustic properties of speech or whether it can be observed also in the processing of sounds with a simple spectral structure. We degraded speech stimuli (vowel /a/), complex non-speech stimuli (a composite of five sinusoidals), and sinusoidal tones by decreasing the amplitude resolution of the signal waveform. The amplitude resolution was impoverished by reducing the number of bits to represent the signal samples. Auditory evoked magnetic fields (AEFs) were measured in the left and right hemisphere of sixteen healthy subjects.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 42 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 2%
Germany 1 2%
Unknown 40 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 12 29%
Researcher 9 21%
Student > Doctoral Student 5 12%
Professor 4 10%
Student > Bachelor 2 5%
Other 5 12%
Unknown 5 12%
Readers by discipline Count As %
Psychology 7 17%
Neuroscience 6 14%
Computer Science 4 10%
Linguistics 3 7%
Engineering 3 7%
Other 7 17%
Unknown 12 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 26 February 2013.
All research outputs
#20,184,694
of 22,699,621 outputs
Outputs from BMC Neuroscience
#1,051
of 1,240 outputs
Outputs of similar age
#89,532
of 93,794 outputs
Outputs of similar age from BMC Neuroscience
#13
of 14 outputs
Altmetric has tracked 22,699,621 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,240 research outputs from this source. They receive a mean Attention Score of 4.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 93,794 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 14 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.