introduction: drug addiction could lead to severe impairments in executive and neurocognitive functions but study on the impact of hydrochloride heroin on executive functions has remained in infancy in iran. the aim of this study was to examine the relationship between addiction to hydrochloride heroin and executive functioning in several cognitive domains including mental flexibility, abstract...

Patients with schizophrenia suffer from symptoms such as hallucination and delusion. There are currently a number of publications that discuss the treatment, diagnosis, prognosis, and damage in schizophrenia. This study utilized joint independent component analysis to process the images of GMV and WMV and incorporated the Wisconsin card sorting test (WCST) and the positive and negative syndrome...

OBJECTIVES To describe the executive function of patients with traumatic injury admitted to Rajaei hospital, Shiraz, Iran and to compare the executive function between normal individuals and those with Attention Deficit Hyperactivity Disorder (ADHD). METHODS This was a case control study being performed during a 6-month period during spring and summer of 2013 in Shiraz level I trauma center. ...

Research suggests that being bilingual results in advantages on executive control processes and disadvantages on language tasks relative to monolinguals. Furthermore, the executive function advantage is thought to be larger in older than younger adults, suggesting that bilingualism may buffer against age-related changes in executive function. However, there are potential confounds in some of th...

OBJECTIVE To explore neuropsychological performance in untreated Brazilian adolescents suffering from attention-deficit hyperactivity disorder (ADHD). METHOD We assessed 30 untreated adolescents with ADHD and 60 healthy control subjects, aged 12 to 16 years, using a neuropsychological battery including the Wisconsin Card-Sorting Test (WCST), the Stroop Test (ST), the Digit Span, and the Word ...

Executive dysfunctions are considered to be putative markers of familial/genetic vulnerability to both schizophrenia and bipolar disorder. However, familial resemblance must be demonstrated before executive functions are used as a potential endophenotype. The aim of this study was to investigate familial resemblance for executive functions in families of schizophrenic and bipolar subjects. We a...

We explored the effect of the Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism (rs6265) on correlation between changes in plasma BDNF levels with cognitive function and quality of life (QoL) after 12 weeks of treatment in bipolar disorder (BD). Symptom severity and plasma BDNF levels were assessed upon recruitment and during weeks 1, 2, 4, 8 and 12. QoL, the Wisconsin Card Sorting...

This study compared patterns of frontal-lobe dysfunction in alcoholics with Korsakoff's syndrome (KS: n = 9), non-Korsakoff alcoholics (AL: n = 28), patients with Parkinson's disease (PD: n = 18), and patients with rupture and repair of the anterior communicating artery (ACoA: n = 4) relative to healthy non-neurological control (NC) participants (n = 70). The tests administered were sensitive t...

Primary Sjögren syndrome (pSS) is a chronic systemic autoimmune disease characterized by xerophthalmia, xerostomia, and potential peripheral or central neurological involvement. In pSS, the prevalence of cognitive disorders is generally sparse across literature and the impact of pain on cognitive profile is unclear. The aim of this study was to determine the relation between pain, cognitive com...

Haitham Jahrami, PhD Card sort clinical tests such as the Wisconsin Card Sort Test and Activity Card Sort are well known in several clinical practices, including psychiatry, neurology, neuropsychology, and learning disabilities. However, card sort methodology is less famous as a research methodology. This editorial attempts to shed light on the novelty of the card sort methodology and its relev...