Background: Methadone maintenance has received little scientific attention regarding neurocognitive effects. This study is aimed to assess the neuropsychological performance of methadone maintenance patients (MMP) compared to those healthy controls. Methods: Thirty-five MMP and 35 healthy controls, matched for age, gender, education and employment status, examined on a battery of tests aimed at...

introduction: hearing loss is one of the most common problems in elderly people. functional side effects of hearing loss are various. due to the fact that hearing loss is the common impairment in elderly people; the importance of its possible effects on auditory memory is undeniable. this study aims to focus on the hearing loss effects on auditory memory.   materials and methods: dichotic audit...

Introduction: This research was planned to determine some verbal-auditory skills (verbal-auditory short memory and phonological awareness) that have the closest relationship with speech and language development in 5-year-old children. Method: In this descriptive cross-sectional study, 400 children of pre-school classes affiliated to Education and Welfare organizations in Semnan city were select...

BACKGROUND Auditory verbal hallucinations are a characteristic symptom in schizophrenia. Recent causal models of auditory verbal hallucinations propose that cognitive mechanisms involving verbal working memory are involved in the genesis of auditory verbal hallucinations. Thus, in the present study, we investigate the hypothesis that verbal working memory is a specific factor behind auditory ve...

Background: Acoustic noise is one of the universal pollutants of modern society. Although the high level of noise adverse effects on human hearing has been known for many years, non-auditory effects of noise such as effects on cognition, learning, memory and reading, especially on children, have been less considered. Factors which have negative impact on these features can also have a negat...

OBJECTIVE Impaired verbal memory in schizophrenia is a key rate-limiting factor for functional outcome, does not respond to currently available medications, and shows only modest improvement after conventional behavioral remediation. The authors investigated an innovative approach to the remediation of verbal memory in schizophrenia, based on principles derived from the basic neuroscience of le...

The heterogeneity of schizophrenia remains an obstacle for understanding its pathophysiology. Studies using a tone discrimination screening test to classify patients have found evidence for 2 subgroups having either a specific deficit in verbal working memory (WM) or deficits in both verbal and nonverbal memory. This study aimed to (a) replicate in larger samples differences between these subgr...

Introduction: Recent studies have revealed the possibility of learning skills through alternative methods and repetitive tactile stimulation without explicit training. This study aimed to examine the effect of involuntary tactile stimulation on the memory and creativity of healthy participants. Methods: A group of 92 right-handed students participated in this study voluntarily. They were assig...