The effect of local temperature changes on sebum excretion rate and forehead surface lipid composition.
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The recently described "Sunct" syndrome is a rare picture of unilateral, shortlasting headache attacks accompanied by autonomic phenomena (conjunctival injection, tearing, etc.) on the symptomatic side. Heart rate and blood pressure were monitored in two elderly "Sunct" patients during and outside headache attacks. An ultrasound Doppler servo method was used for the non-invasive, continuous, beat-to-beat determination of instantaneous arterial blood pressure. In a third patient, systolic and diastolic blood pressure, both outside and during pain paroxysms, were assessed using the standard Korotkoff method. Heart rate was found to be significantly decreased during pain paroxysms. Systolic blood pressure was observed to be significantly increased during attacks, when compared with the inter-attack period, while a less consistent pattern was observed for diastolic blood pressure. Some of the changes in the cardiovascular system seemed to start prior to pain onset. Therefore, it seems unlikely that these changes were caused by pain activation of the sympathetic nervous system or the oculocardiac reflex.
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Managers are using groups more frequently for solving complex organizational problems because of numerous organizational and environmental factors. Yet, many managers see group decision-making meetings as more of a problem than a solution. This article discusses situations where groups should and should not be used and recommends specific skills a leader can use to improve the effectiveness of group decision making. Emphasis is placed on managing the group process to achieve a satisfactory outcome. An exercise to test the validity of the suggestions is provided.