Abstract
Meaningful words, such as moon, and physically similar but meaningless pseudowords, such as noom, were presented visually in a lexical decision task. The EEG was recorded from 17 scalp electrodes. Significant differences between both stimulus classes were observed in evoked spectral responses of the 'γ-band' ∼30 Hz. A hemisphere by wordness interaction demonstrated that 30-Hz spectral power over the left hemisphere was reduced after pseudowords only. These results indicate that γ-band responses reflect the different cognitive processes induced by words and pseudowords. A possible explanation is the following. Synchronous activation of large cortical cell assemblies takes place after word presentation but not after presentation of pseudowords.
| Original language | English |
|---|---|
| Pages (from-to) | 115-118 |
| Number of pages | 4 |
| Journal | Neuroscience Letters |
| Volume | 176 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jul 18 1994 |
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Keywords
- 30 Hz
- Cell assembly
- Cognitive
- EEG
- Evoked spectral response
- Language
- Lexical processing
- γ-Band
ASJC Scopus subject areas
- Neuroscience(all)
Cite this
Words and pseudowords elicit distinct patterns of 30-Hz EEG responses in humans. / Lutzenberger, Werner; Pulvermüller, Friedemann; Birbaumer, Niels.
In: Neuroscience Letters, Vol. 176, No. 1, 18.07.1994, p. 115-118.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Words and pseudowords elicit distinct patterns of 30-Hz EEG responses in humans
AU - Lutzenberger, Werner
AU - Pulvermüller, Friedemann
AU - Birbaumer, Niels
PY - 1994/7/18
Y1 - 1994/7/18
N2 - Meaningful words, such as moon, and physically similar but meaningless pseudowords, such as noom, were presented visually in a lexical decision task. The EEG was recorded from 17 scalp electrodes. Significant differences between both stimulus classes were observed in evoked spectral responses of the 'γ-band' ∼30 Hz. A hemisphere by wordness interaction demonstrated that 30-Hz spectral power over the left hemisphere was reduced after pseudowords only. These results indicate that γ-band responses reflect the different cognitive processes induced by words and pseudowords. A possible explanation is the following. Synchronous activation of large cortical cell assemblies takes place after word presentation but not after presentation of pseudowords.
AB - Meaningful words, such as moon, and physically similar but meaningless pseudowords, such as noom, were presented visually in a lexical decision task. The EEG was recorded from 17 scalp electrodes. Significant differences between both stimulus classes were observed in evoked spectral responses of the 'γ-band' ∼30 Hz. A hemisphere by wordness interaction demonstrated that 30-Hz spectral power over the left hemisphere was reduced after pseudowords only. These results indicate that γ-band responses reflect the different cognitive processes induced by words and pseudowords. A possible explanation is the following. Synchronous activation of large cortical cell assemblies takes place after word presentation but not after presentation of pseudowords.
KW - 30 Hz
KW - Cell assembly
KW - Cognitive
KW - EEG
KW - Evoked spectral response
KW - Language
KW - Lexical processing
KW - γ-Band
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U2 - 10.1016/0304-3940(94)90884-2
DO - 10.1016/0304-3940(94)90884-2
M3 - Article
VL - 176
SP - 115
EP - 118
JO - Neuroscience Letters
JF - Neuroscience Letters
SN - 0304-3940
IS - 1
ER -