background considering the cognitive and linguistic complexity of discourse production, it is expected that individuals with traumatic brain injury (tbi) should face difficulties in this task. therefore, clinical examination of discourse has become a useful tool for studying and assessment of communication skills of people suffering from tbi. among different genres of discourse, persuasive disc...

objective: the aim of the present study was to determine the prevalence of different psychiatric disorders among 12 to 17 years old adolescents in urban areas of tehran. method: in this study, 1105 adolescents (12 -17 years old) were selected from 250 clusters of the entire 22 municipality areas of tehran using a multistage sampling method. after responding to the farsi version of the strengths...

evidence has been accumulating for some time regarding the reduced life-expectancy experienced by people living with a mental illness. in developed world settings this can involve a two-decade reduction in life expectancy, whilst in the developing world the gap may be as high as thirty years. whilst genetic risk factors and suicide contribute to this ‘scandal of premature mortality’, modifiable...

population pattern in guilan province represents a dramatic increase in youth population. regarding high prevalence of substance use among them, its destructive effects and consequences and paucity of previous related studies, this research was performed to determine the prevalence of substance use among students of guilan university of medical sciences (gums). we conducted a cross-sectional st...

conclusions it can be concluded that schizophrenia and drug-induced psychotic disorder were the most common types of disorders that are at risk of self-injury. background self-injury is defined as the intentional injuring of one’s own body without apparent suicidal intent. self-harm is encountered frequently in psychiatric hospitals. deliberate self-harm may be found in patients with a variety ...

background: stroke is the main cause of physical disability and the second leading cause of death worldwide. two-thirds of all strokes occur in the developing countries. despite being preventable, stroke is increasingly becoming a major health issue in these countries. the aim of this study was to evaluate the epidemiology of stroke in shiraz, iran, one of the main referral centers in the south...

BACKGROUND Multiple sclerosis (MS) is a disease of young and middle aged individuals with a demyelinative axonal damage nature in central nervous system that causes various signs and symptoms. As color vision needs normal function of optic nerve and macula, it is proposed that MS can alter it via influencing optic nerve. In this survey, we evaluated color vision abnormalities and its relationsh...

OBJECTIVE To identify the source of delayed visual evoked potential (VEP) latencies in the fellow eyes of patients with optic neuritis (ON) and determine whether these latencies stem from clinically silent demyelination or reflect an adaptive process for synchronization with the affected eyes. METHODS The study sample comprised 17 patients whom we followed for 12 to 26 months after unilateral...

The action of phospholipase A and lysophosphatidyl choline (LPC) on mature, myelinated peripheral nerve fibres has been studied in vivo and electron microscopically, following subperineurial injection of these substances. Within 30 min, demyelination was observed in vivo along cylindrico-conical segments, spreading from Schmidt-Lanterman incisures and nodes of Ranvier. By 96 h, all traces of th...