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Hong TY, Yang CJ, Cheng LK, Li WC, Tseng WYI, Yeh TC, Yu HY, Chen LF, Hsieh JC. Enhanced white matter fiber tract of the cortical visual system in visual artists: implications for creativity. Front Neurosci 2023; 17:1248266. [PMID: 37946727 PMCID: PMC10631786 DOI: 10.3389/fnins.2023.1248266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/05/2023] [Indexed: 11/12/2023] Open
Abstract
Introduction This study aimed to examine the white matter characteristics of visual artists (VAs) in terms of visual creativity and the structural connectivity within the cortical visual system. Methods Diffusion spectrum imaging was utilized to examine the changes in white matter within the cortical visual system of a group of VAs (n = 25) in comparison to a group of healthy controls matched for age and education (n = 24). To assess the integrity of white matter and its relationship with visual creativity, we conducted a comprehensive analysis using region-based and track-specific tractographic examinations. Results Our study uncovered that VAs demonstrated increased normalized quantitative anisotropy in specific brain regions, including the right inferior temporal gyrus and right lateral occipital gyrus, along with the corresponding white matter fiber tracts connecting these regions. These enhancements within the cortical visual system were also found to be correlated with measures of visual creativity obtained through psychological assessments. Discussion The noted enhancement in the white matter within the cortical visual system of VAs, along with its association with visual creativity, is consistent with earlier research demonstrating heightened functional connectivity in the same system among VAs. Our study's findings suggest a link between the visual creativity of VAs and structural alterations within the brain's visual system.
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Affiliation(s)
- Tzu-Yi Hong
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Ching-Ju Yang
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Li-Kai Cheng
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Wei-Chi Li
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Biological Science and Technology, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Wen-Yih Isaac Tseng
- Institute of Medical Device and Imaging, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Tzu-Chen Yeh
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hsin-Yen Yu
- Graduate Institute of Arts and Humanities Education, Taipei National University of the Arts, Taipei, Taiwan
| | - Li-Fen Chen
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Biomedical Informatics, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jen-Chuen Hsieh
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- Department of Biological Science and Technology, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
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Hong TY, Yang CJ, Shih CH, Fan SF, Yeh TC, Yu HY, Chen LF, Hsieh JC. Enhanced intrinsic functional connectivity in the visual system of visual artist: Implications for creativity. Front Neurosci 2023; 17:1114771. [PMID: 36908805 PMCID: PMC9992720 DOI: 10.3389/fnins.2023.1114771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/07/2023] [Indexed: 02/24/2023] Open
Abstract
Introduction This study sought to elucidate the cognitive traits of visual artists (VAs) from the perspective of visual creativity and the visual system (i.e., the most fundamental neural correlate). Methods We examined the local and long-distance intrinsic functional connectivity (FC) of the visual system to unravel changes in brain traits among VAs. Twenty-seven university students majoring in visual arts and 27 non-artist controls were enrolled. Results VAs presented enhanced local FC in the right superior parietal lobule, right precuneus, left inferior temporal gyrus (ITG), left superior parietal lobule, left angular gyrus, and left middle occipital gyrus. VAs also presented enhanced FC with the ITG that targeted the visual area (occipital gyrus and cuneus), which appears to be associated with visual creativity. Discussion The visual creativity of VAs was correlated with strength of intrinsic functional connectivity in the visual system. Learning-induced neuroplasticity as a trait change observed in VAs can be attributed to the macroscopic consolidation of consociated neural circuits that are engaged over long-term training in the visual arts and aesthetic experience. The consolidated network can be regarded as virtuoso-specific neural fingerprint.
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Affiliation(s)
- Tzu-Yi Hong
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ching-Ju Yang
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chung-Heng Shih
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Sheng-Fen Fan
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Tzu-Chen Yeh
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hsin-Yen Yu
- Graduate Institute of Arts and Humanities Education, Taipei National University of the Arts, Taipei, Taiwan
| | - Li-Fen Chen
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Biomedical Informatics, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jen-Chuen Hsieh
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Biological Science and Technology, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
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Distinct roles of right temporoparietal cortex in pentagon copying test. Brain Imaging Behav 2022; 16:1528-1537. [PMID: 35083712 DOI: 10.1007/s11682-021-00607-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2021] [Indexed: 11/02/2022]
Abstract
Pentagon Copying Test (PCT) is commonly used to assess visuospatial deficits, but the neural substrates underlying pentagon copying are not well understood. The Qualitative Scoring Pentagon Test (QSPT), an optimized scoring system, classifies five categories of errors patients make in pentagons copying and grades them depending on the errors' severity. To determine the strategic brain regions involved in the PCT, we applied the QSPT system to evaluate the visuospatial impairment of 136 acute ischemic stroke patients on the PCT and used Support Vector Regression Lesion-Symptom Mapping to investigate relevant brain regions. The total QSPT score was correlated with the right supramarginal gyrus. The angle number errors and closure errors were principally associated with lesions of the posterior temporoparietal cortex, including the right middle occipital gyrus and middle temporal gyrus, while the intersection errors and rotation errors were related to the more anterior part of the right temporoparietal lobe with the additional frontal cortex. In conclusion, the right temporoparietal cortex is the strategic region for pentagon copying tasks. The angle number and closure represent the visuospatial processing of within-object features, while intersection and rotation require between-object manipulation. The posterior-anterior distinction in the right temporoparietal region underlies the differences of within-object and between-object processing.
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Bai S, Liu W, Guan Y. The Visuospatial and Sensorimotor Functions of Posterior Parietal Cortex in Drawing Tasks: A Review. Front Aging Neurosci 2021; 13:717002. [PMID: 34720989 PMCID: PMC8551751 DOI: 10.3389/fnagi.2021.717002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Accepted: 09/23/2021] [Indexed: 02/04/2023] Open
Abstract
Drawing is a comprehensive skill that primarily involves visuospatial processing, eye-hand coordination, and other higher-order cognitive functions. Various drawing tasks are widely used to assess brain function. The neuropsychological basis of drawing is extremely sophisticated. Previous work has addressed the critical role of the posterior parietal cortex (PPC) in drawing, but the specific functions of the PPC in drawing remain unclear. Functional magnetic resonance imaging and electrophysiological studies found that drawing activates the PPC. Lesion-symptom mapping studies have shown an association between PPC injury and drawing deficits in patients with global and focal cerebral pathology. These findings depicted a core framework of the fronto-parietal network in drawing tasks. Here, we review neuroimaging and electrophysiological studies applying drawing paradigms and discuss the specific functions of the PPC in visuospatial and sensorimotor aspects. Ultimately, we proposed a hypothetical model based on the dorsal stream. It demonstrates the organization of a PPC-centered network for drawing and provides systematic insights into drawing for future neuropsychological research.
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Affiliation(s)
- Shuwei Bai
- Department of Neurology, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, China.,Department of Neurology, Renji Hospital, Shanghai Jiaotong University Medical School, Shanghai, China
| | - Wenyan Liu
- Department of Neurology, Renji Hospital, Shanghai Jiaotong University Medical School, Shanghai, China
| | - Yangtai Guan
- Department of Neurology, Renji Hospital, Shanghai Jiaotong University Medical School, Shanghai, China
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A tutorial on capturing mental representations through drawing and crowd-sourced scoring. Behav Res Methods 2021; 54:663-675. [PMID: 34341961 PMCID: PMC9046317 DOI: 10.3758/s13428-021-01672-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2021] [Indexed: 11/30/2022]
Abstract
When we draw, we are depicting a rich mental representation reflecting a memory, percept, schema, imagination, or feeling. In spite of the abundance of data created by drawings, drawings are rarely used as an output measure in the field of psychology, due to concerns about their large variance and their difficulty of quantification. However, recent work leveraging pen-tracking, computer vision, and online crowd-sourcing has revealed new ways to capture and objectively quantify drawings, to answer a wide range of questions across fields of psychology. Here, I present a tutorial on modern methods for drawing experiments, ranging from how to quantify pen-and-paper type studies, up to how to administer a fully closed-loop online experiment. I go through the concrete steps of designing a drawing experiment, recording drawings, and objectively quantifying them through online crowd-sourcing and computer vision methods. Included with this tutorial are code examples at different levels of complexity and tutorials designed to teach basic lessons about web architecture and be useful regardless of skill level. I also discuss key methodological points of consideration, and provide a series of potential jumping points for drawing studies across fields in psychology. I hope this tutorial will arm more researchers with the skills to capture these naturalistic snapshots of a mental image.
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Katz JS, Forloines MR, Strassberg LR, Bondy B. Observational drawing in the brain: A longitudinal exploratory fMRI study. Neuropsychologia 2021; 160:107960. [PMID: 34274380 DOI: 10.1016/j.neuropsychologia.2021.107960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 06/29/2021] [Accepted: 07/12/2021] [Indexed: 10/20/2022]
Abstract
Observational drawing involves acquiring a number of basic drawing techniques and concepts. There is limited knowledge on how observational drawing skills are represented by brain responses. Here, we investigate the behavioral and functional changes behind students learning to draw in a longitudinal study on 45 participants by testing art students (n = 26) at the beginning and end of a 16-week observational drawing course compared to a matched group of non-art students (n = 19). Four novel tasks were used that involve making decisions about light sources, tonal value, line variation and linear perspective using task-based 7 T-functional Magnetic Resonance Imaging (fMRI). While exploratory in nature, we expected to find improvement on each task over time and functional changes in the prefrontal cortex and cerebellum for the art students. Art students' performance significantly improved on the light sources, line variation, and linear perspective tasks and functional changes were found for the line variation, linear perspective, and tonal value tasks. Using whole brain analyses diffuse functional changes were discovered including prefrontal cortex areas and cerebellum. Brain areas involved in cognitive processing, including attention, decision making, motor control, top-down control, visual information processing, and working memory all functionally changed with experience. These findings demonstrate some of the first functional changes in the brain due to training in the arts and have implications for pedagogy and mental health.
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Affiliation(s)
- Jeffrey S Katz
- Department of Psychological Sciences, Auburn University, Auburn, AL, USA; AU MRI Research Center, Department of Electrical & Computer Engineering, Auburn University, Auburn, AL, USA; Alabama Advanced Imaging Consortium, Birmingham, AL, USA; Center for Neuroscience, Auburn University, Auburn, AL, USA.
| | - Martha R Forloines
- Alzheimer's Disease Research Center, Department of Neurology, University of California, Davis, Sacramento, CA, USA
| | - Lily R Strassberg
- Department of Psychological Sciences, Auburn University, Auburn, AL, USA
| | - Barbara Bondy
- Department of Art and Art History, Auburn University, Auburn, AL, USA
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The Neural Bases of Drawing. A Meta-analysis and a Systematic Literature Review of Neurofunctional Studies in Healthy Individuals. Neuropsychol Rev 2021; 31:689-702. [PMID: 33728526 PMCID: PMC8593049 DOI: 10.1007/s11065-021-09494-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 03/01/2021] [Indexed: 12/13/2022]
Abstract
Drawing is a multi-component process requiring a wide range of cognitive abilities. Several studies on patients with focal brain lesions and functional neuroimaging studies on healthy individuals demonstrated that drawing is associated with a wide brain network. However, the neural structures specifically related to drawing remain to be better comprehended. We conducted a systematic review complemented by a meta-analytic approach to identify the core neural underpinnings related to drawing in healthy individuals. In analysing the selected studies, we took into account the type of the control task employed (i.e. motor or non-motor) and the type of drawn stimulus (i.e. geometric, figurative, or nonsense). The results showed that a fronto-parietal network, particularly on the left side of the brain, was involved in drawing when compared with other motor activities. Drawing figurative images additionally activated the inferior frontal gyrus and the inferior temporal cortex, brain areas involved in selection of semantic features of objects and in visual semantic processing. Moreover, copying more than drawing from memory was associated with the activation of extrastriate cortex (BA 18, 19). The activation likelihood estimation coordinate-based meta-analysis revealed a core neural network specifically associated with drawing which included the premotor area (BA 6) and the inferior parietal lobe (BA 40) bilaterally, and the left precuneus (BA 7). These results showed that a fronto-parietal network is specifically involved in drawing and suggested that a crucial role is played by the (left) inferior parietal lobe, consistent with classical literature on constructional apraxia.
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Pauletto G, Guarracino I, Nilo A, Ius T, Maieron M, Verriello L, Skrap M, Gigli GL, Tomasino B. What's behind drawing for an artist with left temporal lobe epilepsy? A multimodal neurophysiological study. Epilepsy Behav Rep 2021; 16:100418. [PMID: 33437962 PMCID: PMC7788090 DOI: 10.1016/j.ebr.2020.100418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 11/27/2022] Open
Abstract
There are few studies in literature reporting drawing as a strong trigger of praxis-induced focal seizures. The aim of the present case report was describing a case of focal epilepsy with praxis induced EEG activation, due to a cavernoma, in the left middle anterior temporal lobe by using a multimodal approach. We combined video-EEG, showing that drawing increased a sustained monomorphic delta activity localized on left anterior temporal region (F7-T1a), diffusing to the vertex (Fz) and the fronto-polar electrodes (F3), with DTI data, showing that the left uncinate fasciculus, connecting the temporal pole to the orbitofrontal cortex, significantly differed from controls. fMRI confirmed that drawing increased activation in these areas. The congruence between findings supports the role of the left uncinated fasciculus linking the temporal lobe to the orbitofrontal cortex in the present focal epilepsy mainly facilitated by drawing.
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Affiliation(s)
- Giada Pauletto
- Unità Operativa di Neurologia, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy
| | - Ilaria Guarracino
- Scientific Institute IRCCS "Eugenio Medea", Polo FVG, San Vito al Tagliamento (PN), Italy
| | - Annacarmen Nilo
- Clinica Neurologica, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy
| | - Tamara Ius
- Unità Operativa di Neurochirurgia, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy
| | - Marta Maieron
- Fisica Medica, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy
| | - Lorenzo Verriello
- Unità Operativa di Neurologia, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy
| | - Miran Skrap
- Unità Operativa di Neurochirurgia, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy
| | - Gian Luigi Gigli
- Clinica Neurologica, Azienda Sanitaria Universitaria del Friuli Centrale S. Maria della Misericordia, Udine, Italy.,Dipartimento di Matematica, Informatica e Fisica (DMIF), Università degli Studi di Udine, Italy
| | - Barbara Tomasino
- Scientific Institute IRCCS "Eugenio Medea", Polo FVG, San Vito al Tagliamento (PN), Italy
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Drawing on the brain: An ALE meta-analysis of functional brain activation during drawing. ARTS IN PSYCHOTHERAPY 2020. [DOI: 10.1016/j.aip.2020.101690] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wammes JD, Jonker TR, Fernandes MA. Drawing improves memory: The importance of multimodal encoding context. Cognition 2019; 191:103955. [DOI: 10.1016/j.cognition.2019.04.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 04/18/2019] [Accepted: 04/24/2019] [Indexed: 11/29/2022]
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Abstract
Since the classic papers of Kleist, Mayer Gross, and Critchley, constructional apraxia (CA) has been considered to be a typical sign of a parietal lobe lesion, and as a precious tool to appreciate the spatial abilities subserved by this lobe. However, the development of more sophisticated neuropsychologic models and methods of investigation has revealed several problematic aspects. It has become increasingly clear that CA is a heterogeneous construct that can be examined with very different tasks, that are only mildly interconnected, and tap various kinds of visuospatial, perceptual, attentional, planning, and motor mechanisms. On the basis of these considerations, the relationships between parietal lobe functions and constructional activities must be considered, taking into account on the one hand the heterogeneity of the tasks and of the cognitive functions requested by different kinds of constructional activities and, on the other hand, the plurality of functions and of processing streams linking different parts of the parietal lobes to the occipital and frontal lobes.
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How specialized are writing-specific brain regions? An fMRI study of writing, drawing and oral spelling. Cortex 2017; 88:66-80. [DOI: 10.1016/j.cortex.2016.11.018] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 05/21/2016] [Accepted: 11/28/2016] [Indexed: 11/16/2022]
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Yuan Y, Brown S. The neural basis of mark making: a functional MRI study of drawing. PLoS One 2014; 9:e108628. [PMID: 25271440 PMCID: PMC4182721 DOI: 10.1371/journal.pone.0108628] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Accepted: 09/02/2014] [Indexed: 11/19/2022] Open
Abstract
Compared to most other forms of visually-guided motor activity, drawing is unique in that it "leaves a trail behind" in the form of the emanating image. We took advantage of an MRI-compatible drawing tablet in order to examine both the motor production and perceptual emanation of images. Subjects participated in a series of mark making tasks in which they were cued to draw geometric patterns on the tablet's surface. The critical comparison was between when visual feedback was displayed (image generation) versus when it was not (no image generation). This contrast revealed an occipito-parietal stream involved in motion-based perception of the emerging image, including areas V5/MT+, LO, V3A, and the posterior part of the intraparietal sulcus. Interestingly, when subjects passively viewed animations of visual patterns emerging on the projected surface, all of the sensorimotor network involved in drawing was strongly activated, with the exception of the primary motor cortex. These results argue that the origin of the human capacity to draw and write involves not only motor skills for tool use but also motor-sensory links between drawing movements and the visual images that emanate from them in real time.
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Affiliation(s)
- Ye Yuan
- Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada
| | - Steven Brown
- Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada
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14
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The perception of positive and negative facial expressions by unilateral stroke patients. Brain Cogn 2014; 86:42-54. [DOI: 10.1016/j.bandc.2014.01.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 01/21/2014] [Accepted: 01/28/2014] [Indexed: 12/14/2022]
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Takahata K, Saito F, Muramatsu T, Yamada M, Shirahase J, Tabuchi H, Suhara T, Mimura M, Kato M. Emergence of realism: Enhanced visual artistry and high accuracy of visual numerosity representation after left prefrontal damage. Neuropsychologia 2014; 57:38-49. [PMID: 24631259 DOI: 10.1016/j.neuropsychologia.2014.02.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 02/01/2014] [Accepted: 02/24/2014] [Indexed: 10/25/2022]
Abstract
Over the last two decades, evidence of enhancement of drawing and painting skills due to focal prefrontal damage has accumulated. It is of special interest that most artworks created by such patients were highly realistic ones, but the mechanism underlying this phenomenon remains to be understood. Our hypothesis is that enhanced tendency of realism was associated with accuracy of visual numerosity representation, which has been shown to be mediated predominantly by right parietal functions. Here, we report a case of left prefrontal stroke, where the patient showed enhancement of artistic skills of realistic painting after the onset of brain damage. We investigated cognitive, functional and esthetic characteristics of the patient׳s visual artistry and visual numerosity representation. Neuropsychological tests revealed impaired executive function after the stroke. Despite that, the patient׳s visual artistry related to realism was rather promoted across the onset of brain damage as demonstrated by blind evaluation of the paintings by professional art reviewers. On visual numerical cognition tasks, the patient showed higher performance in comparison with age-matched healthy controls. These results paralleled increased perfusion in the right parietal cortex including the precuneus and intraparietal sulcus. Our data provide new insight into mechanisms underlying change in artistic style due to focal prefrontal lesion.
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Affiliation(s)
- Keisuke Takahata
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan; Clinical Neuroimaging Team, Molecular Neuroimaging Program, Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba, Chiba 263-8555, Japan.
| | - Fumie Saito
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan.
| | - Taro Muramatsu
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan.
| | - Makiko Yamada
- Clinical Neuroimaging Team, Molecular Neuroimaging Program, Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba, Chiba 263-8555, Japan.
| | - Joichiro Shirahase
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan; Center for Stress Research (CSR), Keio University, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan.
| | - Hajime Tabuchi
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan.
| | - Tetsuya Suhara
- Clinical Neuroimaging Team, Molecular Neuroimaging Program, Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba, Chiba 263-8555, Japan.
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan.
| | - Motoichiro Kato
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan; Center for Stress Research (CSR), Keio University, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan.
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