Disability Type and Constraints to Leisure-Time Physical Activity in Türkiye.

Background: Little is known about the effect of disability type on perceived physical activity (PA) constraints. Investigating the leisure-time PA constraint differences across disability groups would increase the possibility of PA participation, and reverse the physical inactivity trend for disabled populations.

Objective: The purpose was to examine perceived PA constraint differences between individuals with 3 different disability types, which are visual, hearing, and physical disabilities.

Effect of different gutta-percha solvents on the microtensile bond strength of various adhesive systems to pulp chamber dentin.

Objectives: The aim of this study was to evaluate the effect of different endodontic solvents on the microtensile bond strength (μTBS) of various adhesives to pulp chamber dentin.

Material And Methods: A total of 120 human third molars were selected. Canals were prepared with the ProTaper Universal system and obturated.

Effects of melatonin on prepulse inhibition, habituation and sensitization of the human startle reflex in healthy volunteers.

Prepulse inhibition of the startle reflex (PPI) is an operational measure of sensorimotor gating, which is demonstrated to be impaired in patients with schizophrenia. In addition, a disruption of the circadian rhythm together with blunted melatonin secretion is regularly found in patients with schizophrenia and it is theorized that these may contribute to their attentional deficits. The aim of this study was to assess the effects of acute melatonin on healthy human sensorimotor gating.

The effect of acute exogenous melatonin on P50 suppression in healthy male volunteers stratified for low and high gating levels.

Sensory gating is frequently found to be disturbed in patients with schizophrenia. In addition, a disruption of the circadian rhythm together with a low nocturnal melatonin output is regularly found in these patients. Since there is some evidence that a brief period of sleep normalizes sensory gating in schizophrenia patients, it is conceivable that their disrupted melatonin level may contribute to the deficits in P50 suppression.