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  1. ERPs in anterior and posterior regions associated with duration and size discriminations.

    Neuropsychology 23(5):668 (2009) PMID 19702420

    The main objective of the present study was to determine whether event-related potentials (ERPs) predominant in prefrontal cortex (PFC) respond in a similar fashion to ERPs predominant in posterior parietal cortex (PPC) in duration and size discrimination tasks. The results indicate that conting...
  2. Associations of postural knowledge and basic motor skill with dyspraxia in autism: implication for abnormalities in distributed connectivity and motor learning.

    Neuropsychology 23(5):563 (2009) PMID 19702410 PMCID PMC2740626

    Children with autism often have difficulty performing skilled movements. Praxis performance requires basic motor skill, knowledge of representations of the movement (mediated by parietal regions), and transcoding of these representations into movement plans (mediated by premotor circuits). The g...
  3. A meta-analytic investigation of neurocognitive deficits in bipolar illness: profile and effects of clinical state.

    Neuropsychology 23(5):551 (2009) PMID 19702409 PMCID PMC2804472

    A meta-analysis of neuropsychological studies of patients with bipolar disorder comprised of 42 studies of 1,197 patients in euthymia, 13 studies consisting of 314 patients in a manic/mixed phase of illness, and 5 studies of 96 patients in a depressed state. Cohen d values were calculated for ea...
  4. A longitudinal analysis of cognitive dysfunction, coping, and depression in multiple sclerosis.

    Neuropsychology 23(5):581 (2009) PMID 19702412

    Using a longitudinal design, the authors examined coping and cognitive functioning in the development of depression in individuals with multiple sclerosis (MS). Coping style was evaluated in 2 conceptually distinct roles: as moderator and mediator of the impact of cognitive dysfunction on depres...
  5. Testing possible mechanisms of deficient supra-second time estimation in adults with attention-deficit/hyperactivity disorder.

    Neuropsychology 23(5):679 (2009) PMID 19702421

    Numerous studies indicate deficient time estimation in individuals with attention-deficit/hyperactivity disorder (ADHD). Several hypotheses have been raised to explain this deficit including delay aversion, vulnerability to nontemporal distractions, deficient working memory, as well as pure defi...
  6. Impairment of probabilistic reward-based learning in schizophrenia.

    Neuropsychology 23(5):571 (2009) PMID 19702411

    Recent models assume that some symptoms of schizophrenia originate from defective reward processing mechanisms. Understanding the precise nature of reward-based learning impairments might thus make an important contribution to the understanding of schizophrenia and the development of treatment s...
  7. Delaying interference enhances memory consolidation in amnesic patients.

    Neuropsychology 23(5):627 (2009) PMID 19702416 PMCID PMC2808210

    Some patients with amnesia are able to retain new information for much longer than expected when the time that follows new learning is devoid of further stimuli. Animal work shows that the absence or delaying of interference improves long-term memory consolidation. Our study suggests that this i...
  8. The prevalence of cortical gray matter atrophy may be overestimated in the healthy aging brain.

    Neuropsychology 23(5):541 (2009) PMID 19702408

    Prevailing opinion holds that normal brain aging is characterized by substantial atrophy of cortical gray matter. However, this conclusion is based on earlier studies whose findings may be influenced by the inclusion of subjects with subclinical cognitive disorders like preclinical dementia. The...
  9. Implicit false memory in the DRM paradigm: effects of amnesia, encoding instructions, and encoding duration.

    Neuropsychology 23(5):635 (2009) PMID 19702417

    Recent studies with the Deese/Roediger-McDermott (Deese 1959; Roediger & McDermott, 1995) paradigm have revealed that amnesic patients do not only show impaired veridical memory, but also diminished false memory for semantically related lure words. Due to the typically used explicit retrieval in...
  10. Ventromedial prefrontal damage and memory for context: perceptual versus semantic features.

    Neuropsychology 23(5):649 (2009) PMID 19702418

    Memory for context is known to rely on episodic binding and strategic retrieval processes. It is unclear, however, whether memory for different contextual features taps the same cognitive and neural mechanisms. Here, the authors compare memory for a perceptual feature (i.e., the format in which ...