Article
Biology
Rikako Kato, Takuya Hayashi, Kayo Onoe, Masatoshi Yoshida, Hideo Tsukada, Hirotaka Onoe, Tadashi Isa, Takuro Ikeda
Summary: Research using PET imaging reveals altered brain activity in blindsight macaques that lack visual awareness but can still perform visual motor tasks, showing significant changes in activity of the lateral bank of the intraparietal sulcus (lbIPS) bilaterally. Injection of muscimol into this region impairs visuomotor performance, suggesting a role for bilateral lbIPS in visuomotor function in blindsight conditions.
COMMUNICATIONS BIOLOGY
(2021)
Article
Neurosciences
Youngsun T. Cho, Flora Moujaes, Charles H. Schleifer, Martina Starc, Jie Lisa Ji, Nicole Santamauro, Brendan Adkinson, Antonija Kolobaric, Morgan Flynn, John H. Krystal, John D. Murray, Grega Repovs, Alan Anticevic
Summary: This study investigated how reward and loss impact spatial working memory precision and neural circuits in human subjects. The results showed that both reward and loss improved spatial working memory precision, with specific regions like precentral sulcus and intraparietal sulcus having increased BOLD signal related to better working memory precision. Conversely, areas straddling executive networks displayed decreased BOLD signal during incentivized working memory.
Article
Neurosciences
Sara R. J. Gilissen, Karl Farrow, Vincent Bonin, Lutgarde Arckens
Summary: The posterior parietal cortex (PPC) in mice is proposed to be comprised of at least six subregions, including RL, AM, and MMA. These subregions exhibit different connectivity patterns and receive inputs from different cortical areas, suggesting distinct functions for each. These anatomical findings pave the way for a deeper understanding of how the PPC and its subdivisions contribute to multisensory integration-based behavior in mice.
Article
Psychology, Multidisciplinary
Hyun Jung Han, Sangil Lee, Wi Hoon Jung
Summary: Motivation plays a critical role in human cognitive function. This study classified individuals' behavioral responses and discovered two distinct groups with different achievement motivation orientations. Structural brain analysis and functional magnetic resonance imaging data revealed neural mechanisms related to achievement motivation.
CURRENT PSYCHOLOGY
(2022)
Article
Neurosciences
Bo Zhang, Fan Wang, Qi Zhang, Yuji Naya
Summary: Our mental representation of egocentric space is influenced by the disproportionate sensory perception of the body. Previous studies have focused on the neural architecture for egocentric representations within the visual field. However, the space representation underlying the body is still unclear. This study used fMRI and MEG to investigate the spatial representation of targets relative to the body and found that the frontoparietal network is more involved in representing left/right targets, while the MTL-parietal network is more involved in retrieving targets behind the participant. MEG data also showed an earlier activation of the MTL-parietal network during target retrieval.
Article
Behavioral Sciences
Stefano Terruzzi, Damiano Crivelli, Alberto Pisoni, Giulia Mattavelli, Leonor Josefina Romero Lauro, Nadia Bolognini, Giuseppe Vallar
Summary: This study investigated the role of the right posterior parietal cortex (PPC) in Prismatic Adaptation (PA) and Aftereffects (AEs) using low frequency repetitive Transcranial Magnetic Stimulation (rTMS). The results showed that PPC plays a key role in the realignment process, while its impact on recalibration is limited.
Article
Neurosciences
Yang Zhou, Ou Zhu, David J. Freedman
Summary: In this study, reversible pharmacological inactivation of LIP neural activity was used to investigate its role in visual categorical decisions. The results showed that LIP plays a generalized role in these decisions, independent of task structure and motor response modality.
JOURNAL OF NEUROSCIENCE
(2023)
Article
Neurosciences
Ana Arsenovic, Anja Ischebeck, Natalia Zaretskaya
Summary: This study found that different regions of the human visual system respond to illusory shapes, with the intraparietal sulcus areas showing a preference towards contralateral shapes. Additionally, as task difficulty increased, anterior areas displayed response attenuation. The research suggests that the intraparietal sulcus can represent illusory content generated not only by moving stimuli, but also by stationary stimuli.
JOURNAL OF NEUROSCIENCE
(2022)
Article
Biology
Srinivas Chivukula, Carey Y. Zhang, Tyson Aflalo, Matiar Jafari, Kelsie Pejsa, Nader Pouratian, Richard A. Andersen
Summary: The study found evidence of touch encoding in the human posterior parietal cortex (PPC) and its cognitive engagement during a tactile imagery task, possibly reflecting semantic processing, attention, sensory anticipation, or imagined touch.
Article
Neurosciences
Edmund T. Rolls, Gustavo Deco, Chu-Chung Huang, Jianfeng Feng
Summary: This study measured the effective connectivity between 21 regions in the human posterior parietal cortex and 360 cortical regions, revealing functional characteristics and interconnections among these regions.
Article
Neurosciences
Yun-Fei Liu, Brenda Rapp, Marina Bedny
Summary: This study used fMRI to investigate the brain activity of blind individuals during braille reading. The results showed that the activity in the posterior parietal cortices was related to word length in braille, while the activity in the primary somatosensory cortex was related to the number of dots in braille. The study also found that braille elicited responses in other brain regions, including the prefrontal cortex and visual cortex.
JOURNAL OF COGNITIVE NEUROSCIENCE
(2023)
Article
Neurosciences
Tsz-Fung Woo, Chun-Kit Law, Kin-Hung Ting, Chetwyn C. H. Chan, Nils Kolling, Kei Watanabe, Bolton K. H. Chau
Summary: The study found that the dorsolateral prefrontal cortex (dlPFC) has a causal role in filtering choice-irrelevant information during multiple-option decision making, while the posterior parietal cortex (PPC) has a causal role in value-based spatial selection.
Article
Neurosciences
Shih-Yi Tseng, Selmaan N. Chettih, Charlotte Arlt, Roberto Barroso-Luque, Christopher D. Harvey
Summary: This study examines the encoding patterns in the mouse posterior cortex during a virtual navigation task. The encoding of task and behavioral variables was found to be distributed across cortical areas, forming three spatial gradients. Surprisingly, the conjunctive encoding of these variables in single neurons was similar throughout the posterior cortex instead of being specialized for each area.
Article
Behavioral Sciences
Alexis Cheviet, Laure Pisella, Denis Pelisson
Summary: This study investigated the contribution of the posterior parietal cortex (PPC) to saccadic remapping mechanisms in visual constancy. A patient with a PPC lesion and optic ataxia in the left hemifield was studied in transsaccadic visual localization tasks, showing specific patterns of perceptual deficits. The findings support the crucial role of the PPC in saccadic remapping processes for perceptual visual constancy.
Review
Behavioral Sciences
Giovanni Anobile, Roberto Arrighi, Elisa Castaldi, David C. Burr
Summary: Incoming sensory input provides information for the planning and execution of actions, which yield motor outcomes that serve as sensory inputs again. Action and perception strongly interact in numerosity perception, with neurons responding to both external elements and self-produced actions in animals and humans. This suggests the presence of dedicated sensorimotor mechanisms in the brain interfacing action with the processing of quantitative magnitudes.
TRENDS IN COGNITIVE SCIENCES
(2021)
Article
Neurosciences
Irene Vigue-Guix, Luis Moris Fernandez, Mireia Torralba Cuello, Manuela Ruzzoli, Salvador Soto-Faraco
Summary: This study aimed to validate the impact of real-time estimation of alpha-phase in an EEG closed-loop brain-computer interface on behavioral responses. However, the results showed no consistent relationship between reaction times and alpha-phase, both at the group and individual participant levels.
EUROPEAN JOURNAL OF NEUROSCIENCE
(2022)
Article
Neurosciences
Alice Drew, Mireia Torralba, Manuela Ruzzoli, Luis Moris Fernandez, Alba Sabate, Marta Szabina Papai, Salvador Soto-Faraco
Summary: The study reveals that in competitive perceptual representations, the brain undergoes neural activation similar to cognitive conflict, leading to fluctuations between different perceptual outcomes, indicating that conflict monitoring mechanisms occur during perceptual competition. Fronto-medial theta oscillations increase before and decrease after perceptual alternations, while parieto-occipital alpha oscillations show an inverse pattern, reflecting changes in interocular inhibition levels during perceptual switches.
EUROPEAN JOURNAL OF NEUROSCIENCE
(2022)
Letter
Clinical Neurology
Anne-Catherine M. L. Huys, Patrick Haggard, Kailash P. Bhatia, Mark J. Edwards
MOVEMENT DISORDERS CLINICAL PRACTICE
(2022)
Article
Ethics
Sofia Bonicalzi, Eugenia Kulakova, Chiara Brozzo, Sam J. Gilbert, Patrick Haggard
Summary: Reasoning about underlying causal relations influences responsibility judgments, with a preference for pluralistic causal reasoning. Dependence theories and transference theories are two main approaches in causal reasoning, and hybrid models combining both have emerged. Our experiment findings indicate that diminished responsibility judgments occur when dependence, transference, or both fail.
PHILOSOPHICAL PSYCHOLOGY
(2022)
Article
Psychology, Biological
Adria Vila-Ballo, Angela Marti-Marca, Mireia Torralba Cuello, Salvador Soto-Faraco, Patricia Pozo-Rosich
Summary: This study aimed to confirm the presence of neural entrainment and examine the behavioral benefits of entrainment when temporal predictability related to target appearance is reduced. The results confirmed the presence of neural entrainment and provided new insights into its mechanistic processes.
Article
Biology
Alice Vidal, Salvador Soto-Faraco, Ruben Moreno-Bote
Summary: This study reveals that individuals balance between breadth and depth in decision-making depending on the availability of resources. When resources are limited, people prefer breadth, but when resources are abundant, people tend to focus on a few options in depth. Additionally, it is found that individuals lean towards depth in environments with lower risks.
Article
Biochemical Research Methods
Ivan Ezquerra-Romano, Maansib Chowdhury, Caterina Maria Leone, Gian Domenico Iannetti, Patrick Haggard
Summary: This paper introduces a non-contact, temperature-controlled, multi-purpose cooling stimulator, which can precisely control the cold sensation stimulation and be used to study different aspects of cold sensation. It avoids the interference of mechanical contact. Through experiments, it is verified that this method can measure the cold detection threshold without mechanical contact, providing a more accurate method for studying cold sensory pathways and cold-touch interactions.
JOURNAL OF NEUROSCIENCE METHODS
(2023)
Letter
Behavioral Sciences
Matthew R. Longo
TRENDS IN COGNITIVE SCIENCES
(2023)
Editorial Material
Biology
Denise Cadete, Matthew R. Longo
PHYSICS OF LIFE REVIEWS
(2023)
Article
Biology
Ashild Kummen, Patrick Haggard, Gwydion Williams, Lucie Charles
Summary: Research shows that people's perception of freedom is influenced by their behavioral tendencies, even when their choices are biased by habits. This illusion of freedom artificially increases the sense of freedom and has important implications for understanding mechanisms of persuasion.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2023)
Editorial Material
Psychology, Biological
Ebani Dhawan, Patrick Haggard
Summary: In cases of rape and sexual assault, victims often experience a state of immobility referred to as 'freezing'. Neuroscientific research suggests that this freeze response is a result of fear and threat, which can inhibit the brain circuits responsible for voluntary movement. Thus, defense arguments that blame victims for freezing are inappropriate and unfair.
NATURE HUMAN BEHAVIOUR
(2023)
Letter
Clinical Neurology
Anne-Catherine M. L. Huys, Patrick Haggard
JOURNAL OF NEUROLOGY
(2023)
Article
Ophthalmology
Matthew R. Longo, Sonia Medina
Summary: The perceived distance between touches can be modulated by certain features of tactile stimuli, such as the time interval between them. This study investigated whether a similar effect exists for stimulus intensity. Results showed that the perceived tactile distance did not change when stimuli intensity differed, but the average stimulus intensity did have a clear impact on perceived distance. These findings support theories of general magnitude representation.
Article
Biology
Adria Marly, Arek Yazdjian, Salvador Soto-Faraco
Summary: In order to form coherent multisensory perceptual representations, the brain must solve the causal inference problem by deciding whether sensory cues should be combined or processed independently. The present study proposes that this process involves competition between alternative perceptual models and engages conflict processing mechanisms in the brain. Two experiments were conducted to test this hypothesis, which measured reaction times and electroencephalography using an audiovisual ventriloquist illusion paradigm. The findings suggest a potential involvement of conflict mechanisms in the multisensory integration of spatial information.
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2023)
Article
Psychology, Experimental
Raffaele Tucciarelli, Elisa R. R. Ferre, Elena Amoruso, Elena Azanon, Matthew R. R. Longo
Summary: When reproducing the remembered location of dots within a circle, judgments are biased towards the imaginary center of quadrants formed by imaginary vertical and horizontal axes. This bias can be attributed to the heightened precision in the visual system for these orientations in a retinotopic reference frame, or to the internal representation of gravity. By dissociating reference frames defined by the retina and by gravity, the study found that spatial categories are determined by a combination of both gravitational and retinal factors.
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-GENERAL
(2023)