tistical evaluation of the items in the Stanford Binet and, incidentally, of certain performance tests that might indicate the presence of mechanical ability. The theory that general intelligence and mechanical ability are distinct traits is consistently confirmed by the low correlations found between tests of intelligence and mechanical ability. Almost all of these studies are based on the tot...

The aim of this study was to assess various cognitive abilities such as attention, IQ, reasoning, and memory related to academic achievement in 8- and 9-year-old preterm children. A total of 141 children were assessed. The preterm group (=37 weeks) comprised 63 children and was compared to 78 full-term children. Attention was evaluated using the d2 Selective Attention test, and the IQ by the L-...

Objective. The objective of this study was to identify correlations between depression symptoms and cortical functions in children with learning difficulties. Method. A sample of 33 students participated in the study, 25 males and 8 females, with average age of 10.7 years old, recruted from outpatients clinics of Neurology, specialized in learning problems with multidisciplinary evaluation. The...

In all 278 members of British Mensa completed three questionnaires concerned with self-estimated intelligence (SEI), Beliefs about Intelligence and its measurement and a gender role inventory. Males rated their domain masculine intelligence (a combination of mathematical, spatial and verbal intelligence) almost three (143.9) and females more than two (134.3) standard deviations above the mean a...

Introduction. Very few studies have examined the neuropsychological performance of HIV-positive women, and even fewer have attempted a comparison of cognitive functioning by gender. The aim of this study was to describe the nature of the neuropsychological performance of HIV seropositive patients by gender. Methods. A clinical sample made up of 151 subjects was recruited to participate in this ...

BACKGROUND This hospital-based study explored how effectively parents discern their children's cognitive deficits at a preschool age since few studies have addressed preschool children's cognitive problems. METHODS One hundred and forty-six preschool children suspected of possessing a cognitive deficit were recruited and subjected to further cognitive assessments. All parental concerns for th...

Are self-report measures of prospective memory (ProM) reliable and valid? To examine this question, 240 undergraduate student volunteers completed several widely used self-report measures of ProM including the Prospective Memory Questionnaire (PMQ), the Prospective and Retrospective Memory Questionnaire (PRMQ), the Comprehensive Assessment of Prospective Memory (CAPM) questionnaire, self-report...

Comparison of IQ scores from the standard Wechsler Adult Intelligence Scale-Revised (WAIS-R) and the Ward (1990) seven-subtest short form (WAIS-R/7 SF) was performed on a sample of 459 patients with traumatic brain injury due to head trauma. The results indicate that this short form provides Verbal, Performance, and Full Scale IQ scores that vary little from the complete WAIS-R, at approximatel...

OBJECTIVE This study investigated the relationship between patients' reasoning about medication adherence and neurocognitive and clinical indices for a treatment-compliant sample of Japanese patients with schizophrenia. METHODS Subjective reasoning about medication adherence was assessed by the Rating of Medication Influences (ROMI) scale. General intelligence, executive function, and verbal ...