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- Medical English LInking keywords finder for the PubMed Zipped Archive (ELIZA) -
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185) These findings open up new avenues for studying the ongoing dynamics of cognition using EEG and for developing effective and natural brain-computer interfaces.
* Attentional Selection in a Cocktail Party Environment Can Be Decoded from Single-Trial EEG.
- How humans solve the cocktail party problem remains unknown. However, progress has been made recently thanks to the realization that cortical activity tracks the amplitude envelope of speech. This has led to the development of regression methods for studying the neurophysiology of continuous speech. One such method, known as stimulus-reconstruction, has been successfully utilized with cortical surface recordings and magnetoencephalography (MEG). However, the former is invasive and gives a relatively restricted view of processing along the auditory hierarchy, whereas the latter is expensive and rare. Thus it would be extremely useful for research in many populations if stimulus-reconstruction was effective using electroencephalography (EEG), a widely available and inexpensive technology. Here we show that single-trial (≈60 s) unaveraged EEG data can be decoded to determine attentional selection in a naturalistic multispeaker environment. Furthermore, we show a significant correlation between our EEG-based measure of attention and performance on a high-level attention task. In addition, by attempting to decode attention at individual latencies, we identify neural processing at ∼200 ms as being critical for solving the cocktail party problem. These findings open up new avenues for studying the ongoing dynamics of cognition using EEG and for developing effective and natural brain-computer interfaces.
=>新発見の, 新しい, 現代的な, 新参の
Overview of adj new
The adj new has 11 senses (first 5 from tagged texts)
1. (310) new -- (not of long duration; having just (or relatively recently) come into being or been
made or acquired or discovered; "a new law"; "new cars"; "a new comet"; "a new friend"; "a new
year"; "the New World")
2. (36) fresh, new, novel -- (original and of a kind not seen before; "the computer produced a
completely novel proof of a well-known theorem")
3. (11) raw, new -- (lacking training or experience; "the new men were eager to fight"; "raw
recruits")
4. (5) new, unexampled -- (having no previous example or precedent or parallel; "a time of
unexampled prosperity")
5. (3) new -- (other than the former one(s); different; "they now have a new leaders"; "my new car
is four years old but has only 15,000 miles on it"; "ready to take a new direction")
6. new -- (unaffected by use or exposure; "it looks like new")
7. newfangled, new -- ((of a new kind or fashion) gratuitously new; "newfangled ideas"; "she buys
all these new-fangled machines and never uses them")
8. New -- (in use after medieval times; "New Eqyptian was the language of the 18th to 21st
dynasties")
9. Modern, New -- (used of a living language; being the current stage in its development; "Modern
English"; "New Hebrew is Israeli Hebrew")
10. new, young -- ((of crops) harvested at an early stage of development; before complete maturity;
"new potatoes"; "young corn")
11. new -- (unfamiliar; "new experiences"; "experiences new to him"; "errors of someone new to the
job")
Overview of adv new
The adv new has 1 sense (first 1 from tagged texts)
1. (1) newly, freshly, fresh, new -- (very recently; "they are newly married"; "newly raised
objections"; "a newly arranged hairdo"; "grass new washed by the rain"; "a freshly cleaned floor";
"we are fresh out of tomatoes")
--- WordNet end ---