Do patients with schizophrenia and healthy elderly people show similar patterns of prospective memory performance?

Schizophrenia and normal aging have both been associated with structural and physiological changes in the prefrontal and temporal cortex and impairments in prospective memory (PM). This study aimed to compare PM performance in patients with schizophrenia, healthy older, and healthy younger individuals. Computerized event- and time-based PM tasks were administered to 30 patients with schizophrenia, 30 healthy older adults, and 30 healthy younger adults.

Exploratory study on the base-rate of paranoid ideation in a non-clinical Chinese sample.

Recent findings from several large-scale community surveys suggest that delusions tend to occur in non-clinical samples as a continuous phenotype rather than as an all-or-none phenomenon. However, the majority of studies on the prevalence of delusions and paranoid ideation are limited to Western samples. The present study aims to examine the phenomenon and base-rate of paranoid ideation in a Chinese non-clinical sample.

Prospective memory in non-psychotic first-degree relatives of patients with schizophrenia.

Although a number of studies have found prospective memory (PM) impairment in patients with schizophrenia, very little is known about the PM performance in non-psychotic relatives of these patients. The current study aimed to explore the PM performance in non-psychotic first-degree relatives of these patients. Two groups of participants (26 non-psychotic first-degree relatives of schizophrenia patients and 26 healthy comparison participants) were administered three PM tasks (time-, event-, and activity-based) and a set of neurocognitive tests.

The Social Cognition and Interaction Training (SCIT): an extension to individuals with schizotypal personality features.

The current study aimed to extend the clinical utility of the Social Cognition and Interaction Training (SCIT) to individuals with schizotypal personality features. It provided preliminary findings on the suitability and efficacy of the SCIT for these individuals in mainland China.

Sustained attention deficit along the psychosis proneness continuum: a study on the Sustained Attention to Response Task (SART).

Background: Sustained attention deficits have been associated with schizophrenia. However, these findings were limited to patients with schizophrenia and cannot be generalized to a wider nonclinical sample with schizotypal personality features.

Objectives: This study aimed to examine the sensitivity of a theory-driven test, the Sustained Attention Response to Task (SART), in individuals with schizotypal personality features.

Meta-analysis of prospective memory in schizophrenia: nature, extent, and correlates.

Prospective memory (PM) is the ability to remember to carry out an intended action in the future and it is an important function for everyday living. Studies have found that the neural basis of PM is located mainly in the prefrontal lobes (particularly in Brodmann Area 10) and patients with schizophrenia have functional deficits in this area. The present study provided a meta-analytic review of PM performances in patients with schizophrenia in 11 studies.

The development of a Chinese equivalence version of letter-number span test.

The present study aimed to develop a Chinese equivalence version of the Letter-Number (LN) Span Test and to explore the preliminary construct and discriminative validity of the developed version among a group of healthy Chinese volunteers and patients with stroke. A group of 165 (73 men and 92 women) healthy participants were recruited for the validation study, most of them were undergraduates or postgraduates. Moreover, a comparison was made between nine patients with stroke and the healthy controls.

Prospective memory deficits in subjects with schizophrenia spectrum disorders: a comparison study with schizophrenic subjects, psychometrically defined schizotypal subjects, and healthy controls.

Memory impairment is one of the core deficits in schizophrenia. This study explored the memory profiles of schizophrenic and psychometrically defined schizotypal subjects. The study participants included 15 patients with schizophrenia, 41 schizotypal subjects, and 20 healthy controls.

Examination of postconcussion-like symptoms in healthy university students: relationships to subjective and objective neuropsychological function performance.

This study examined postconcussion-like symptoms in a group of university students and explored their relationships to neuropsychological function performance. A sample of 124 students was recruited. All of the participants received the Rivermead Post-Concussion Symptoms Questionnaire (RPQ) and completed a comprehensive set of neuropsychological tests.