Modifiable factors and esophageal cancer: A systematic review of published meta-analyses

Journal of Gastroenterology

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The impact of frailty and sarcopenia on postoperative outcomes in older patients undergoing gastrectomy surgery: A systematic review and meta-analysis

BMC Geriatrics

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Electro-radiological observations of grade III/IV hepatic encephalopathy patients with seizures

Neurocritical Care

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Physiological and psychological effects of imagery techniques on health anxiety

Abstract

Previous research has shown that intrusions are part of the psychopathology of mental disorders. Imagery techniques seem to be an effective treatment of negative intrusions. Since negative mental imagery is part of health anxiety, the present study investigated the impact of imagery techniques on health anxiety. A total of 159 students with elevated scores in a health anxiety questionnaire watched an aversive film concerning a cancer patient and were randomly allocated to one of three interventions (positive imagery, imagery reexperiencing, imagery rescripting) or the control group. The intervention lasted 9 min. Physiological data (heart rate and cortisol) as well as psychological measures, such as mood ratings, health anxiety scores, and intrusions, were assessed during the appointment, while psychological measures were assessed over a period of 1 week after the intervention. Cortisol levels changed over time depending on the intervention. Heart rate changed during the 9-min interventions as well, with the fastest decrease during imagery rescripting. Moreover, negative mood and distress decreased after the intervention, while intrusions were reduced 1 week after the intervention in all groups equally. The results suggest that imagery rescripting is a promising technique that seems to activate a process of deep elaboration. Therefore, it might be an adequate way to target health anxiety symptoms such as anxiety, intrusions, and avoidance or safety-seeking behavior. Further studies should focus on imagery rescripting in clinical samples with health anxiety and target individual intrusive images to increase effectiveness. Nevertheless, the development of a long-term explanatory model of rescripting is needed.

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Musical training modulates the early but not the late stage of rhythmic syntactic processing

Abstract

Syntactic processing is essential for musical understanding. Although the processing of harmonic syntax has been well studied, very little is known about the neural mechanisms underlying rhythmic syntactic processing. The present study investigated the neural processing of rhythmic syntax and whether and to what extent long-term musical training impacts such processing. Fourteen musicians and 14 nonmusicians listened to syntactic-regular or syntactic-irregular rhythmic sequences and judged the completeness of these sequences. Nonmusicians, as well as musicians, showed a P600 effect to syntactic-irregular endings, indicating that musical exposure and perceptual learning of music are sufficient to enable nonmusicians to process rhythmic syntax at the late stage. However, musicians, but not nonmusicians, also exhibited an early right anterior negativity (ERAN) response to syntactic-irregular endings, which suggests that musical training only modulates the early but not the late stage of rhythmic syntactic processing. These findings revealed for the first time the neural mechanisms underlying the processing of rhythmic syntax in music, which has important implications for theories of hierarchically organized music cognition and comparative studies of syntactic processing in music and language.

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The effects of stimulus parameters on auditory evoked potentials of Carassius auratus

Abstract

Whole-brain responses to sound are easily measured through auditory evoked potentials (AEP), but it is unclear how differences in experimental parameters affect these responses. The effect of varying parameters is especially unclear in fish studies, the majority of which use simple sound types and then extrapolate to natural conditions. The current study investigated AEPs in goldfish (Carassius auratus) using sounds of different durations (5, 10, and 20 ms) and frequencies (200, 500, 600 and 700 Hz) to test stimulus effects on latency and thresholds. We quantified differences in latency and threshold in comparison to a 10-ms test tone, a duration often used in AEP fish studies. Both response latency and threshold were significantly affected by stimulus duration, with latency patterning suggesting that AEP fires coincident with a decrease in stimulus strength. Response latency was also significantly affected by presentation frequency. These results show that stimulus type has important effects on AEP measures of hearing and call for clearer standards across different measures of AEP. Duration effects also suggest that AEP measures represent summed responses of duration-detecting neural circuit, but more effort is needed to understand the neural drivers of this commonly used technique.

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911 Paramedic - Superior Ambulance

Superior Air-Ground Ambulance Service, Inc. is the largest independent, locally owned and operated Emergency Medical Service provider in Northern Illinois, Michigan and Northwest Indiana. We provide wheelchair transportation, Basic Life Support, Advanced Life Support, and Critical Care Ground Transportation; as well as Critical Care Rotary Air Transportation. Much of our proven success is attributable ...

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