Sweat artifact and respiratory artifact occurring simultaneously in polysomnogram

Siddiqui, Fouzia; Osuna, Edgar; Walters, Arthur S.; Chokroverty, Sudhansu

doi:10.1016/j.sleep.2005.11.013

Cited by 9 publications

(3 citation statements)

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“…In this study, the scalp region is a novel site of SSR recording evoked by electrical stimulation; although it is known that these responses may be seen spontaneously during EEG recordings, usually evaluated as sweating artifacts. Mostly, these artifacts are seen in the frontal electrodes . For this reason, we recorded these responses from the sites which are compatible with those frontal electrode locations, namely, F3–F7 for the left side of EEG recordings and F4–F8 for the right.…”

Section: Discussionmentioning

confidence: 99%

“…Mostly, these artifacts are seen in the frontal electrodes. 12,13 For this reason, we recorded these responses from the sites which are compatible with those frontal electrode locations, namely, F3-F7 for the left side of EEG recordings and F4-F8 for the right. In a study performed by Machado-Moreira et al, similar locations were found to sweat more in the scalp region by calculating the sweat secretion during rest and exercise in the heat.…”

Section: Discussionmentioning

confidence: 99%

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Sympathetic skin responses from the scalp evoked by electrical stimulation in seborrheic dermatitis

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et al. 2013

The Journal of Dermatology

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Although the role of autonomic nervous system in seborrheic dermatitis (SD) is still unclear, seborrhea is sometimes accepted as a sign of autonomic dysfunction in several nervous system diseases. Therefore, we aimed to investigate the sympathetic nervous system (SNS) activity in SD by recording sympathetic skin responses (SSR) from the scalp (S-SSR). Thirty-one control subjects and 22 SD patients were studied by evoking right and left S-SSR with electrical stimulation of the right median nerve at the wrist. Mean latencies and maximum amplitudes were calculated for both sides in each group. In seven out of 31 control subjects and in 13 out of 22 patients, the S-SSR could not be elicited on either side. There were four subjects with unilateral response in the patient group. There were significantly more non-responders among the patients with SD (P < 0.000). This study suggests that in SD, the autonomic nervous system may be involved. The S-SSR is a new site for recording SSR. The responses are relatively symmetrical and can be evoked easily by electrical stimulation, and may be used to evaluate the SNS function in SD patients and also in healthy subjects.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Sympathetic skin responses from the scalp evoked by electrical stimulation in seborrheic dermatitis

Altunrende

Yıldız

Kandı

et al. 2013

The Journal of Dermatology

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show abstract

“…Sweat artifact is characterized by slow undulating movement of the baseline recording in the affected channels due to perspiration altering the potential of the involved electrodes (1). Sweat artifact may mimic delta waves and scored as non-rapid eye movement (NREM) stage 3 sleep.…”

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confidence: 99%