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Cortex; a Journal Devoted to the Study of the Nervous System and Behavior

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https://www.readbyqxmd.com/read/28622615/domain-general-neural-correlates-of-dependency-formation-using-complex-tones-to-simulate-language
#1
Ingmar Brilmayer, Jona Sassenhagen, Ina Bornkessel-Schlesewsky, Matthias Schlesewsky
There is an ongoing debate whether the P600 event-related potential component following syntactic anomalies reflects syntactic processes per se, or if it is an instance of the P300, a domain-general ERP component associated with attention and cognitive reorientation. A direct comparison of both components is challenging because of the huge discrepancy in experimental designs and stimulus choice between language and 'classic' P300 experiments. In the present study, we develop a new approach to mimic the interplay of sequential position as well as categorical and relational information in natural language syntax (word category and agreement) in a non-linguistic target detection paradigm using musical instruments...
May 30, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28625346/the-role-of-the-motor-system-in-action-naming-in-patients-with-neurodegenerative-extrapyramidal-syndromes
#2
REVIEW
Maria Cotelli, Rosa Manenti, Michela Brambilla, Barbara Borroni
Previous studies of patients with brain damage have suggested a close relationship between aphasia and movement disorders. Neurodegenerative extrapyramidal syndromes associated with cognitive impairment provide an interesting model for studying the neural substrates of cognitive and motor symptoms. In this review, we focused on studies investigating language production abilities in patients with Parkinson's disease (PD), Corticobasal Syndrome (CBS) and Progressive Supranuclear Palsy (PSP). According to some reports, these patients exhibit a reduction in performance in both action and object naming or verb production compared to healthy individuals...
May 26, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28625347/reachability-judgement-in-optic-ataxia-effect-of-peripheral-vision-on-hand-and-target-perception-in-depth
#3
Angela Bartolo, Yves Rossetti, Patrice Revol, Christian Urquizar, Laure Pisella, Yann Coello
The concept of peripersonal space was first proposed by Rizzolatti, Scandolara, Matelli, and Gentilucci (1981), who introduced the term to highlight the close links between somatosensory and visual processing for stimuli close to the body and suggested that this near-body space could in fact be characterized as an action space (Rizzolatti, Fadiga, Fogassi, & Gallese, 1997). Supporting this idea, patients with right hemisphere lesions have been described as impaired in performing actions towards objects and in perceiving their location - but only when the objects were presented within arm's reach (Bartolo, Carlier, Hassaini, Martin, & Coello, 2014; Brain, 1941)...
May 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28624680/the-timing-of-spontaneous-detection-and-repair-of-naming-errors-in-aphasia
#4
Julia Schuchard, Erica L Middleton, Myrna F Schwartz
This study examined the timing of spontaneous self-monitoring in the naming responses of people with aphasia. Twelve people with aphasia completed a 615-item naming test twice, in separate sessions. Naming attempts were scored for accuracy and error type, and verbalizations indicating detection were coded as negation (e.g., "no, not that") or repair attempts (i.e., a changed naming attempt). Focusing on phonological and semantic errors, we measured the timing of the errors and of the utterances that provided evidence of detection...
May 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28623718/transcranial-direct-current-stimulation-tdcs-reveals-a-dissociation-between-snarc-and-marc-effects-implication-for-the-polarity-correspondence-account
#5
Elisa Di Rosa, Lara Bardi, Carlo Umiltà, Fabio Masina, Margherita Forgione, Daniela Mapelli
The concept of stimulus response compatibility (SRC) refers to the existence of a privileged association between a specific stimulus feature and a specific response feature. Two examples of SRC are the Spatial Numerical Association of Response Codes (SNARC) and the Markedness Association of Response Codes (MARC) effects. According to the polarity correspondence principle, these two SRC effects occur because of a match between the most salient dimensions of stimulus and response. Specifically, the SNARC effect would be caused by a match between right-sided responses and large numbers, while a match between right-sided responses and even numbers would give rise to the MARC effect...
May 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28619233/do-we-have-distinct-systems-for-immediate-and-delayed-actions-a-selective-review-on-the-role-of-visual-memory-in-action
#6
REVIEW
Thomas Schenk, Constanze Hesse
The perception-action model with its assumptions of distinct visual pathways for perception and visuomotor control has been highly influential but also contentious. The controversy largely focused on the evidence from studies on perceptual illusions and this scientific field has been reviewed quite a few times in recent years. In contrast another aspect of the model, namely the role of visual memory in action control, received comparatively little attention. With respect to visual memory the perception-action model proposes that only the perceptual or ventral stream can maintain a sustained representation of the visual world while the visuomotor system or dorsal stream has to rely on currently available visual information...
May 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28618296/impaired-body-perception-in-developmental-prosopagnosia
#7
Federica Biotti, Katie L H Gray, Richard Cook
Developmental prosopagnosia (DP) is a lifelong neurodevelopmental disorder associated with difficulties recognising and discriminating faces. In some cases, the perceptual deficits seen in DP appear to be face-specific. However, DP is known to be a heterogeneous condition, and many cases undoubtedly exhibit impaired perception of other complex objects. There are several well-documented parallels between body and face perception; for example, faces and bodies are both thought to recruit holistic analysis and engage similar regions of visual cortex...
May 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28609683/integrating-speech-in-time-depends-on-temporal-expectancies-and-attention
#8
Mathias Scharinger, Johanna Steinberg, Alessandro Tavano
Sensory information that unfolds in time, such as in speech perception, relies on efficient chunking mechanisms in order to yield optimally-sized units for further processing. Whether or not two successive acoustic events receive a one-unit or a two-unit interpretation seems to depend on the fit between their temporal extent and a stipulated temporal window of integration. However, there is ongoing debate on how flexible this temporal window of integration should be, especially for the processing of speech sounds...
May 19, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28527825/corrigendum-to-dissociable-routes-for-personal-and-interpersonal-visual-enhancement-of-touch-cortex-73-2015-289-297
#9
Brianna Beck, Caterina Bertini, Patrick Haggard, Elisabetta Làdavas
No abstract text is available yet for this article.
May 11, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28551017/taking-race-out-of-neuroscience-too
#10
EDITORIAL
Roberto Cubelli, Sergio Della Sala
No abstract text is available yet for this article.
May 10, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28575757/sensorimotor-experience-and-verb-category-mapping-in-human-sensory-motor-and-parietal-neurons
#11
Ying Yang, Michael Walsh Dickey, Julie Fiez, Brian Murphy, Tom Mitchell, Jennifer Collinger, Elizabeth Tyler-Kabara, Michael Boninger, Wei Wang
Semantic grounding is the process of relating meaning to symbols (e.g., words). It is the foundation for creating a representational symbolic system such as language. Semantic grounding for verb meaning is hypothesized to be achieved through two mechanisms: sensorimotor mapping, i.e., directly encoding the sensorimotor experiences the verb describes, and verb-category mapping, i.e., encoding the abstract category a verb belongs to. These two mechanisms were investigated by examining neuronal-level spike (i...
May 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28554066/the-neural-basis-of-deficient-response-inhibition-in-children-with-neurofibromatosis-type-1-evidence-from-a-functional-mri-study
#12
Natalie A Pride, Mayuresh S Korgaonkar, Kathryn N North, Belinda Barton, Jonathan M Payne
Impaired response inhibition is a predominant feature of several neuropsychiatric disorders; in general the underlying aetiology of these disorders and associated impairments is unknown. The common occurrence of impaired response inhibition in a single gene disorder such as neurofibromatosis type 1 (NF1), provides a valuable opportunity to explore its mechanistic basis through the study of gene-brain-behaviour interactions. We used functional brain imaging with a Go/No-Go task to examine the neural substrates of response inhibition in children with NF1 and age and gender matched typically developing subjects...
May 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28545676/a-reply-to-pigatto-ronchi-guzzi-s-commentary
#13
Sarah Mackenzie Ross
No abstract text is available yet for this article.
May 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28570928/cross-situational-word-learning-in-aphasia
#14
Claudia Peñaloza, Daniel Mirman, Pedro Cardona, Montserrat Juncadella, Nadine Martin, Matti Laine, Antoni Rodríguez-Fornells
Human learners can resolve referential ambiguity and discover the relationships between words and meanings through a cross-situational learning (CSL) strategy. Some people with aphasia (PWA) can learn word-referent pairings under referential uncertainty supported by online feedback. However, it remains unknown whether PWA can learn new words cross-situationally and if such learning ability is supported by statistical learning (SL) mechanisms. The present study examined whether PWA can learn novel word-referent mappings in a CSL task without feedback...
May 4, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28544941/time-based-expectations-entail-preparatory-motor-activity
#15
Gregor Volberg, Roland Thomaschke
Human behavior is guided by expectations that facilitate perception of upcoming events or reaction to them. In natural settings expectations are often implicitly based on time, e.g., when making a phone call one would expect to hear either a person answering (earlier) or a voicemail greeting (later). We investigated how time-based expectations can improve performance in the absence of explicit prior information on the pending stimulus or the associated response. Visual stimuli were presented after a characteristic short or long foreperiod, and a forced-choice categorization using either the left or the right hand was required...
May 4, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28532579/interoceptive-ingredients-of-body-ownership-affective-touch-and-cardiac-awareness-in-the-rubber-hand-illusion
#16
Laura Crucianelli, Charlotte Krahé, Paul M Jenkinson, Aikaterini Katerina Fotopoulou
The sense of body ownership represents a fundamental aspect of bodily self-consciousness. Using multisensory integration paradigms, recent studies have shown that both exteroceptive and interoceptive information contribute to our sense of body ownership. Interoception refers to the physiological sense of the condition of the body, including afferent signals that originate inside the body and outside the body. However, it remains unclear whether individual sensitivity to interoceptive modalities is unitary or differs between modalities...
May 1, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28624681/semantic-word-category-processing-in-semantic-dementia-and-posterior-cortical-atrophy
#17
Zubaida Shebani, Karalyn Patterson, Peter J Nestor, Lara Z Diaz-de-Grenu, Kate Dawson, Friedemann Pulvermüller
There is general agreement that perisylvian language cortex plays a major role in lexical and semantic processing; but the contribution of additional, more widespread, brain areas in the processing of different semantic word categories remains controversial. We investigated word processing in two groups of patients whose neurodegenerative diseases preferentially affect specific parts of the brain, to determine whether their performance would vary as a function of semantic categories proposed to recruit those brain regions...
April 29, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28549279/control-adjustments-in-speaking-electrophysiology-of-the-gratton-effect-in-picture-naming
#18
Natalia Shitova, Ardi Roelofs, Herbert Schriefers, Marcel Bastiaansen, Jan-Mathijs Schoffelen
Accumulating evidence suggests that spoken word production requires different amounts of top-down control depending on the prevailing circumstances. For example, during Stroop-like tasks, the interference in response time (RT) is typically larger following congruent trials than following incongruent trials. This effect is called the Gratton effect, and has been taken to reflect top-down control adjustments based on the previous trial type. Such control adjustments have been studied extensively in Stroop and Eriksen flanker tasks (mostly using manual responses), but not in the picture-word interference (PWI) task, which is a workhorse of language production research...
April 29, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28476292/from-heart-to-mind-linking-interoception-emotion-and-theory-of-mind
#19
LETTER
Punit Shah, Caroline Catmur, Geoffrey Bird
No abstract text is available yet for this article.
April 28, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28521154/-the-world-is-upside-down-the-innsbruck-goggle-experiments-of-theodor-erismann-1883-1961-and-ivo-kohler-1915-1985
#20
Pierre Sachse, Ursula Beermann, Markus Martini, Thomas Maran, Markus Domeier, Marco R Furtner
The "Innsbruck Goggle Experiments" on long-term wearing of reversing mirrors, prismatic and half prismatic goggles, and colored half goggles represent a milestone in research on adaptation (adapting to the introduced "disturbance") and after-effects (after removal of the "disturbance"). By means of these goggles it is, for example, possible to invert or distort the visual field (such as flipping top and bottom or left and right), as well as to observe how individuals learn to change the image back to vertical or recognize left and right...
April 23, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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