Comparison of event related potentials with and without hypnagogic imagery
Nanae Michida, Mitsuo Hayashi, Tadao Hori
Psychiatry and Clinical Neurosciences April 1, 1998 DOI: 10.1111/j.1440-1819.1998.tb00997.x (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Experimental study Peer reviewed |
|---|---|
| Measures | N3 amplitude, P3 amplitude |
| Key findings | N3 amplitude of event-related potentials differed significantly between conditions with and without hypnagogic imagery, while behavioral and EEG arousal levels did not differ. The authors interpret the decreased N3 amplitude during imagery as reflecting diminished attention to external tone stimuli. |
Abstract
Abstract It is hypothesized that when hypnagogic imagery occurs, an appropriate attention may allocate to the imagery, resulting in the allocation of attention to the external tone stimuli being diminished. N3 amplitude of event related potentials (ERP) obtained a significant difference between the conditions with and without imagery. Arousal level of behavior and electroencephalography were not different between the conditions, therefore it is interpreted that the decrease of the N3 amplitude during imagining reflects the diminution of the allocation of attention to the external tone stimuli. Another late component of ERP, P3, did not make clear peaks in this study despite a large time constant (τ= 3.2 s) used for EEG records.
Citations in the library
Cited by 3
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- Disturbed memory and amnesia related to intensive care. Memory March 2000
- Changes of amplitude and topographical characteristics of event‐related potentials during the hypnagogic period Psychiatry and Clinical Neurosciences April 1, 1999