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Anjan chatterjee

Steven M Weisberg, Steven A Marchette, Anjan Chatterjee
Modern spatial navigation requires fluency with multiple representational formats, including visual scenes, signs, and words. These formats convey different information. Visual scenes are rich and specific, but contain extraneous details. Arrows, as an example of signs, are schematic representations in which the extraneous details are eliminated, but analog spatial properties are preserved. Words eliminate all spatial information and convey spatial directions in a purely abstract form. How does the human brain compute spatial directions within and across these formats? To investigate this question, we conducted two experiments on men and women: a behavioral study that was preregistered, and a neuroimaging study using multivoxel pattern analysis of fMRI data to uncover similarities and differences among representational formats...
May 2, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Sharon D Yeatts, Joseph P Broderick, Anjan Chatterjee, Edward C Jauch, Steven R Levine, Jose G Romano, Jeffrey L Saver, Achala Vagal, Barbara Purdon, Jenny Devenport, Pooja Khatri
Rationale Over half of acute ischemic stroke patients have a low National Institutes of Health Stroke Scale of 0-5 and up to two-thirds may not appear clearly disabled at presentation. The efficacy of intravenous alteplase for the latter group is not known. Aim Potential of rtPA for Ischemic Strokes with Mild Symptoms (PRISMS) was designed to evaluate the safety and efficacy of intravenous alteplase for the treatment of acute ischemic stroke with National Institutes of Health Stroke Scale 0-5 and without clearly disabling deficits...
January 1, 2018: International Journal of Stroke: Official Journal of the International Stroke Society
Salimah H Meghani, Caroline Peterson, Donna H Kaiser, Joseph Rhodes, Hengyi Rao, Jesse Chittams, Anjan Chatterjee
BACKGROUND: Patients with cancer frequently experience physical and psychological distress that can worsen their quality of life. OBJECTIVES: We assessed the outcomes of an 8-week mindfulness-based art therapy (MBAT) intervention, Walkabout: Looking In, Looking Out, on symptoms, sleep quality, health-related quality of life, sense of coherence (SOC), and spirituality in outpatients with cancer. METHODS: A 1-group, pre-post intervention design with repeated measures at baseline, week 4, and week 8...
January 1, 2018: American Journal of Hospice & Palliative Care
Steven M Weisberg, Daniel Badgio, Anjan Chatterjee
Knowing where north is provides a navigator with invaluable information for learning and recalling a space, particularly in places with limited navigational cues, like complex indoor environments. Although north is effectively used by orienteers, pilots, and military personnel, very little is known about whether nonexpert populations can or will use north to create an accurate representation of an indoor space. In the current study, we taught people 2 nonoverlapping routes through a complex indoor environment, with which they were not familiar-a university hospital with few windows and several turns...
November 9, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
Lorna C Quandt, Yune-Sang Lee, Anjan Chatterjee
There has been recent debate over whether actions are processed primarily by means of motor simulation or cognitive semantics. The current study investigated how abstract action concepts are processed in the brain, independent of the format in which they are presented. Eighteen healthy adult participants viewed different actions (e.g., diving, boxing) in the form of verbs and schematic action pictograms while functional magnetic resonance imaging (fMRI) was collected. We predicted that sensorimotor and semantic brain regions would show similar patterns of neural activity for different instances of the same action (e...
October 2017: Biological Psychology
Steven M Weisberg, Daniel Badgio, Anjan Chatterjee
[This corrects the article on p. 117 in vol. 5, PMID: 28589120.].
2017: Frontiers in Public Health
Steven M Weisberg, Daniel Badgio, Anjan Chatterjee
The potential to genetically modify human germlines has reached a critical tipping point with recent applications of CRISPR-Cas9. Even as researchers, clinicians, and ethicists weigh the scientific and ethical repercussions of these advances, we know virtually nothing about public attitudes on the topic. Understanding such attitudes will be critical to determining the degree of broad support there might be for any public policy or regulation developed for genetic modification research. To fill this gap, we gave an online survey to a large (2,493 subjects) and diverse sample of Americans...
2017: Frontiers in Public Health
Alex Coburn, Oshin Vartanian, Anjan Chatterjee
A burgeoning interest in the intersection of neuroscience and architecture promises to offer biologically inspired insights into the design of spaces. The goal of such interdisciplinary approaches to architecture is to motivate construction of environments that would contribute to peoples' flourishing in behavior, health, and well-being. We suggest that this nascent field of neuroarchitecture is at a pivotal point in which neuroscience and architecture are poised to extend to a neuroscience of architecture...
September 2017: Journal of Cognitive Neuroscience
Ayşenur Karaduman, Tilbe Göksun, Anjan Chatterjee
Focal brain injury can have detrimental effects on the pragmatics of communication. This study examined narrative production by unilateral brain damaged people (n=36) and healthy controls and focused on the complexity (content and coherence) and the evaluative aspect of their narratives to test the general hypothesis that the left hemisphere is biased to process microlinguistic information and the right hemisphere is biased to process macrolinguistic information. We found that people with left hemisphere damage's (LHD) narratives were less likely to maintain the overall theme of the story and produced fewer evaluative comments in their narratives...
May 2017: Neuropsychologia
Subhankar Chatterjee, Anjan Adhikari, Dibakar Haldar, Payel Biswas
BACKGROUND: The addition of research-oriented medical education (ROME) to the existing curriculum could promote logical thinking, rapid literature search and a better understanding of research methodology. Creation of research temperament could lead to innovations in healthcare. We assessed the perception, awareness and practice of ROME among undergraduate students. METHODS: We conducted a cross-sectional survey among 234 students of R.G. Kar Medical College, Kolkata selected by the simple random sampling technique...
March 2016: National Medical Journal of India
Anja Jamrozik, Marguerite McQuire, Eileen R Cardillo, Anjan Chatterjee
Embodied cognition accounts posit that concepts are grounded in our sensory and motor systems. An important challenge for these accounts is explaining how abstract concepts, which do not directly call upon sensory or motor information, can be informed by experience. We propose that metaphor is one important vehicle guiding the development and use of abstract concepts. Metaphors allow us to draw on concrete, familiar domains to acquire and reason about abstract concepts. Additionally, repeated metaphoric use drawing on particular aspects of concrete experience can result in the development of new abstract representations...
August 2016: Psychonomic Bulletin & Review
James E Siegler, Joseph W Kable, Anjan Chatterjee
No abstract text is available yet for this article.
May 2016: Journal of Graduate Medical Education
Anjan Chatterjee, Oshin Vartanian
Aesthetic evaluations are appraisals that influence choices in important domains of human activity, including mate selection, consumer behavior, art appreciation, and possibly even moral judgment. The nascent field of neuroaesthetics is advancing our understanding of the role of aesthetic evaluations by examining their biological bases. Here, we conduct a selective review of the literature on neuroaesthetics to demonstrate that aesthetic experiences likely emerge from the interaction between emotion-valuation, sensory-motor, and meaning-knowledge neural systems...
April 2016: Annals of the New York Academy of Sciences
Marcus T Pearce, Dahlia W Zaidel, Oshin Vartanian, Martin Skov, Helmut Leder, Anjan Chatterjee, Marcos Nadal
The field of neuroaesthetics has gained in popularity in recent years but also attracted criticism from the perspectives both of the humanities and the sciences. In an effort to consolidate research in the field, we characterize neuroaesthetics as the cognitive neuroscience of aesthetic experience, drawing on long traditions of research in empirical aesthetics on the one hand and cognitive neuroscience on the other. We clarify the aims and scope of the field, identifying relations among neuroscientific investigations of aesthetics, beauty, and art...
March 2016: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
Eileen R Cardillo, Christine Watson, Anjan Chatterjee
As the cognitive neuroscience of metaphor has evolved, so too have the theoretical questions of greatest interest. To keep pace with these developments, in the present study we generated a large set of metaphoric and literal sentence pairs ideally suited to addressing the current methodological and conceptual needs of metaphor researchers. In particular, the need has emerged to distinguish metaphors along three dimensions: the grammatical class of their base terms, the sensorimotor features of their base terms, and the syntactic form in which the base terms appear...
April 2017: Behavior Research Methods
Lorna C Quandt, Eileen R Cardillo, Alexander Kranjec, Anjan Chatterjee
When describing spatial events, dynamic actions can be decomposed into the path of motion (where the object moves), and the manner of motion (how the object moves). These components may be instantiated in two processing streams in the human brain, wherein dorsal parietal areas process path-related information, while ventral temporal regions process manner information. Previous research showed this pattern during the observation of videos showing animate characters in motion [15]. It is unknown whether reading language describing path and manner information - a level of abstraction beyond the perception of visual motion - relies on similar mechanisms...
November 16, 2015: Neuroscience Letters
Nazbanou Nozari, Tilbe Göksun, Sharon L Thompson-Schill, Anjan Chatterjee
Highlights Does phonological similarity affect gesture production in the absence of speech?Participants produced gestures from pictures with no words presented or spoken.Same pictures and gestures but different training labels were used.Phonologically similar labels led to more errors in subsequent gestures.Thus, phonological similarity affects gesture production in the absence of speech. Are manual gestures affected by inner speech? This study tested the hypothesis that phonological form influences gesture by investigating whether phonological similarity between words that describe motion gestures creates interference for production of those gestures in the absence of overt speech...
2015: Frontiers in Psychology
Lorna C Quandt, Anjan Chatterjee
Action processing allows us to move through and interact with the world, as well as understand the movements performed by other people. In recent years, there has been increasing interest in the semantics of actions as differentiated from the semantics of objects. However, as the understanding of action semantics has evolved, it is evident that the existing literature conflates two senses of the word 'action'-one that stems from studies of tool use and the other from event representation. In this paper, we suggest that this issue can be clarified by closely examining differences in how the human parietal and temporal cortices of the brain process action-related stimuli...
November 2015: Wiley Interdisciplinary Reviews. Cognitive Science
Tilbe Göksun, Matthew Lehet, Katsiaryna Malykhina, Anjan Chatterjee
People often use spontaneous gestures when communicating spatial information. We investigated focal brain-injured individuals to test the hypotheses that (1) naming motion event components of manner-path (represented by verbs-prepositions in English) are impaired selectively, (2) gestures compensate for impaired naming. Patients with left or right hemisphere damage (LHD or RHD) and elderly control participants were asked to describe motion events (e.g., running across) depicted in brief videos. Damage to the left posterior middle frontal gyrus, left inferior frontal gyrus, and left anterior superior temporal gyrus (aSTG) produced impairments in naming paths of motion; lesions to the left caudate and adjacent white matter produced impairments in naming manners of motion...
November 2015: Brain and Language
Adam J Woods, Alexander Kranjec, Matt Lehet, Anjan Chatterjee
In American football, pass interference calls can be difficult to make, especially when the timing of contact between players is ambiguous. American football history contains many examples of controversial pass interference decisions, often with fans, players, and officials interpreting the same event differently. The current study sought to evaluate the influence of experience with concepts important for officiating decisions in American football on the probability (i.e., response criteria) of pass interference calls...
2015: Frontiers in Psychology
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