Warren S. Brown
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Aesthetic judgement and appreciation in agenesis of the corpus callosum Open
The corpus callosum has been associated with some of the most complex processes of cognition, including creativity and imagination. Agenesis of the corpus callosum (ACC) is a congenital disorder, affecting approximately 1:4000 persons, in …
The corpus callosum and creativity revisited Open
In 1969 Joseph Bogen, a colleague of Roger Sperry and the neurosurgeon who performed commissurotomy on Sperry’s “split-brain” study participants, wrote an article subtitled “The Corpus Callosum and Creativity.” The article argued for the c…
Imaginative elaboration in agenesis of the corpus callosum: topic modeling and perplexity Open
Objective: Previous studies have found deficits in imaginative elaboration and social inference to be associated with agenesis of the corpus callosum (ACC; Renteria-Vasquez et al., 2022; Turk et al., 2009). In the current study, Thematic A…
2 Musical perception skills in Agenesis of the Corpus Callosum Open
Objective: Agenesis of the corpus callosum(AgCC) is a disorder in which the connection between the two brain hemispheres is congenitally absent. Previous research has suggested that the auditory system can be affected in individuals with A…
5 Social perception and ability to evaluate sincerity of speech impacted by childhood hemispherectomy Open
Objective: Hemispherectomy (HE) is a surgical intervention to treat intractable epilepsy. It involves disconnecting or removing the right or left cerebral hemisphere, depending on the location of the pathological substrate or epileptogenic…
41 Aesthetic Perception in Agenesis of the Corpus Callosum Open
Objective: Agenesis of the Corpus Callosum (AgCC) is the congenital absence of all or part of the corpus callosum. Previous research has demonstrated that isolated AgCC results in a pattern of cognitive and psychosocial deficiencies, even …
39 Empathic Abilities of Individuals with Agenesis of the Corpus Callosum Open
Objective: Previous research suggests that individuals with isolated Agenesis of the Corpus Callosum (AgCC) have cognitive and psychosocial deficits including that of complex processing of emotions (Anderson et al., 2017) and their ability…
1 Exploratory Factor Analysis of the Core Neurocognitive Syndrome in Agenesis of the Corpus Callosum Open
Objective: A previous review of the syndrome of Agenesis of the Corpus Callosum (ACC) identified three primary deficits: reduced interhemispheric transfer of sensory motor information, slowed cognitive processing, and deficits in complex p…
3 The Aesthetics of Empathy in Agenesis of the Corpus Callosum Open
Objective: Previous research suggests that individuals with isolated Agenesis of the Corpus Callosum (AgCC) have cognitive and psychosocial deficiencies that include impaired recognition of the emotions of others (Symington et al., 2010) a…
1 Moral Reasoning in Individuals with Agenesis of the Corpus Callosum Open
Objective: Previous research has demonstrated that individuals with Agenesis of the Corpus Callosum (AgCC), the congenital absence of all or part of the corpus callosum, exhibit a pattern of cognitive and psychosocial deficits, even with a…
Verbal problem-solving in agenesis of the corpus callosum: Analysis using semantic similarity. Open
These findings indicated that individuals with AgCC who have intelligence in the normal range are less able at the WCT taking all trials into account, although they often solve the problem eventually. This outcome is consistent with previo…
Alexithymia and somatization in agenesis of the corpus callosum Open
Deficient communication between the cerebral hemispheres is one of several prevailing neurobiological explanations for alexithymia and has been strongly supported by research on patients with commissurotomy. We examined self-reported sympt…
Everyday Executive Function and Self-Awareness in Agenesis of the Corpus Callosum Open
Objective: Agenesis of the corpus callosum (AgCC) is associated with a range of cognitive deficits, including mild to moderate problems in higher order executive functions evident in neuropsychological assessments. Previous research has al…
Appreciation of Social Norms in Agenesis of the Corpus Callosum Open
Objective Anecdotal reports regarding high-functioning adults with agenesis of the corpus callosum (AgCC) suggest that they often lack psychosocial insight. We attempted to determine whether adults with AgCC are able to correctly identify …
Attention, impulsivity, and vigilance in agenesis of the corpus callosum. Open
These results suggest moderate levels of difficulties in sustained attention in AgCC, particularly in maintaining response inhibition and in vigilance, that are modulated by age and sex. (PsycInfo Database Record (c) 2020 APA, all rights r…
Integration Between Cerebral Hemispheres Contributes to Defense Mechanisms Open
Defense mechanisms are mental functions which facilitate coping when real or imagined events challenge personal wishes, needs, and feelings. Whether defense mechanisms have a specific neural basis is unknown. The present research tested th…
Verbal fluency as a screening tool for mild cognitive impairment Open
These results suggest that verbal fluency, particularly semantic fluency, may be an accurate and efficient tool in screening for early dementia in time-limited medical settings.
The Neuropsychological Syndrome of Agenesis of the Corpus Callosum Open
Background: Agenesis of the corpus callosum (AgCC) involves congenital absence of all or part of the corpus callosum. Because the disorder can only be firmly diagnosed via neuroradiology, it has a short research history, and only recently …
View article: Awareness of consequences in agenesis of the corpus callosum: Semantic analysis of responses.
Awareness of consequences in agenesis of the corpus callosum: Semantic analysis of responses. Open
Results were consistent with the hypothesis that persons with AgCC are deficient in the capacity to imagine the emotional and cognitive consequences of potential actions on others. particularly in the face of greater situational and social…
KNOWING OURSELVES AS EMBODIED, EMBEDDED, AND RELATIONALLY EXTENDED Open
What does it mean to know oneself, and what is the self that one hopes to know? This article outlines the implications of an embodied understanding of persons and some aspects of the “self” that are generally ignored when thinking about ou…
View article: Emotional Intelligence in Agenesis of the Corpus Callosum
Emotional Intelligence in Agenesis of the Corpus Callosum Open
People with agenesis of the corpus callosum (AgCC) with normal general intelligence have deficits in complex cognitive processing, as well as in social cognition. It is uncertain the extent to which impoverished processing of emotions may …