A psychophysical and questionnaire investigation

بررسی کیفیت زندگی سالمندان شهر زاهدان

Introduction: It has been estimated that 335 million elderly, about 13 percent of general population, live in developing countries. It has been predicted that in 2040, this percentage will rise to 20 percent. Psychophysical complains are common in elderly and investigation of quality of life (QOL) in these samples of population is very important. Materials and Methods: This research is a descri...

A Glance at Psychophysics Software Programs

Visual stimulation with precise control of stimulus has transformed the field of psychophysics since the introduction of personal computers. Luminance and chromatic features of stimulus, timing, and position of the stimulus are the main features that could be defined using programs written specifically for psychophysical experiments. In this manuscript, software used for the psychophysical expe...

Determinants of change in perceived disability of patients with non-specific chronic low back pain.

OBJECTIVE Change in psychophysical capacity, calculated as the ratio between physical capacity and perceived effort, may be a determinant of change in perceived disability. The aim of this study was to identify determinants for change in perceived disability, as measured with the Roland Morris Disability Questionnaire (RMDQ), in patients with non-specific chronic low back pain after rehabilitat...

A Cross-Cultural Investigation of the Perception of Emotion in Music: Psychophysical and Cultural Cues

Psychophysical characteristics of the premenstrual period.

Aim of this study was to investigate psychophysical characteristics of the premenstrual period in regard to the period following menstruation. Psychophysical characteristics are defined as assessments of the physical state (fatigue, breast tenderness, bloating and lack of sleep), emotional state (happiness, anger, sadness, irritability, anxiety and distraction) and general assessments of physic...