Roberto Bottini
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View article: Foraging in conceptual spaces: hippocampal oscillatory dynamics underlying searching for concepts in memory
Foraging in conceptual spaces: hippocampal oscillatory dynamics underlying searching for concepts in memory Open
How does the brain access stored knowledge? It has been proposed that conceptual search engages neurocognitive processes similar to foraging in physical space. We tested this idea using intracranial EEG in patients performing a verbal flue…
View article: Neural Representation of Time across Complementary Reference Frames
Neural Representation of Time across Complementary Reference Frames Open
Humans conceptualize time in terms of space, allowing flexible time construals from various perspectives. We can travel internally through a timeline to remember the past and imagine the future (i.e., mental time travel) or watch from an e…
View article: Neural Representation of Time across Complementary Reference Frames
Neural Representation of Time across Complementary Reference Frames Open
Humans conceptualize time in terms of space, allowing flexible time construals from various perspectives. We can travel internally through a timeline to remember the past and imagine the future (i.e., mental time travel) or watch from an e…
View article: Spatial coding supports auditory conceptual navigation
Spatial coding supports auditory conceptual navigation Open
Grid cells in human entorhinal cortex encode spatial layouts for real-world navigation, yet their role in conceptual navigation remains unclear. Here we show that mentally transforming tones within a purely auditory pitch-duration space en…
View article: Representation of conceptual affordances in eye movements and the entorhinal cortex
Representation of conceptual affordances in eye movements and the entorhinal cortex Open
Structural representations in the entorhinal cortex are a crucial feature of cognitive maps. However, a complete understanding of task structure often requires knowledge of the actions available at each state (analogous to the moves of dif…
View article: People spontaneously partition their visual space when retrieving concepts from memory
People spontaneously partition their visual space when retrieving concepts from memory Open
In the physical world, we efficiently organize objects in space to facilitate finding them when mostly needed. Does this tendency to order the external environment extend to conceptual information that is internally stored in memory? Here …
View article: Memory and Representation of Vision-Related Verbs in Early Blind Individuals
Memory and Representation of Vision-Related Verbs in Early Blind Individuals Open
Theories of Embodied and grounded cognition posit that knowledge retrieval is rooted in sensorimotor simulations of past experiences. Accordingly, individuals with diverse sensorimotor experiences may retrieve knowledge differently. Here, …
View article: Neural Representation of Time across Complementary Reference Frames
Neural Representation of Time across Complementary Reference Frames Open
Humans conceptualize time in terms of space, allowing flexible time construals from various perspectives. We can travel internally through a timeline to remember the past and imagine the future (i.e., mental time travel) or watch from an e…
View article: Spontaneous eye movements reflect the representational geometries of conceptual spaces
Spontaneous eye movements reflect the representational geometries of conceptual spaces Open
Functional neuroimaging studies indicate that the human brain can represent concepts and their relational structure in memory using coding schemes typical of spatial navigation. However, whether we can read out the internal representationa…
View article: Disentangling reference frames in the neural compass
Disentangling reference frames in the neural compass Open
The neural system that encodes heading direction in humans can be found in the medial and superior parietal cortex and the entorhinal-retrosplenial circuit. However, it is still unclear whether heading direction in these different regions …
View article: Selective Neural Entrainment Reveals Hierarchical Tuning to Linguistic Regularities in Reading
Selective Neural Entrainment Reveals Hierarchical Tuning to Linguistic Regularities in Reading Open
Reading is both a visual and a linguistic task, and as such it relies on both general-purpose, visual mechanisms and more abstract, meaning-oriented processes. Disentangling the roles of these resources is of paramount importance in readin…
View article: Mental search of concepts is supported by egocentric vector representations and restructured grid maps
Mental search of concepts is supported by egocentric vector representations and restructured grid maps Open
The human hippocampal-entorhinal system is known to represent both spatial locations and abstract concepts in memory in the form of allocentric cognitive maps. Using fMRI, we show that the human parietal cortex evokes complementary egocent…
View article: MEG frequency tagging reveals a grid-like code during attentional movements
MEG frequency tagging reveals a grid-like code during attentional movements Open
Grid-cells firing fields tile the environment with a 6-fold periodicity during both locomotion and visual exploration. Here, we tested, in humans, whether movements of covert attention elicit grid-like coding using frequency tagging. Parti…
View article: Similar object shape representation encoded in the inferolateral occipitotemporal cortex of sighted and early blind people
Similar object shape representation encoded in the inferolateral occipitotemporal cortex of sighted and early blind people Open
We can sense an object’s shape by vision or touch. Previous studies suggested that the inferolateral occipitotemporal cortex (ILOTC) implements supramodal shape representations as it responds more to seeing or touching objects than shapele…
View article: Selective Neural Entrainment Reveals Hierarchical Tuning to Linguistic Regularities in Reading
Selective Neural Entrainment Reveals Hierarchical Tuning to Linguistic Regularities in Reading Open
Reading is both a visual and a linguistic task, and as such it relies on both general-purpose, visual mechanisms and more abstract, meaning-oriented processes. Disentangling the roles of these resources is of paramount importance in readin…
View article: Spontaneous eye movements reflect the representational geometries of conceptual spaces
Spontaneous eye movements reflect the representational geometries of conceptual spaces Open
Functional neuroimaging studies indicate that the human brain can represent concepts and their relational structure in memory using coding schemes typical of spatial navigation. However, whether we can read out the internal representationa…
View article: Timecourse and source localization of abstract and concrete semantic representations
Timecourse and source localization of abstract and concrete semantic representations Open
Dual coding theories of knowledge suggest that meaning is represented in the brain by a double code, which comprises language-derived representations in the Anterior Temporal Lobe and sensory-derived representations in perceptual and motor…
View article: Altered grid-like coding in early blind people
Altered grid-like coding in early blind people Open
Spatial navigation in humans relies heavily on vision. However, the impact of early blindness on the brain navigation network and on the hippocampal-entorhinal system supporting cognitive maps, in particular, remains elusive. Here, we test…
View article: Disentangling reference frames in the neural compass
Disentangling reference frames in the neural compass Open
Summary The neural system that encodes heading direction in humans is found consistently in the medial and superior parietal cortex and the entorhinal-retrosplenial circuit. However, it is still unclear whether heading direction in these d…
View article: MEG frequency tagging reveals a grid-like code during covert attentional movements
MEG frequency tagging reveals a grid-like code during covert attentional movements Open
SUMMARY Grid cells in the entorhinal cortex map regular environments with a 60° periodicity, encoding body- and eye-movements’ direction during spatial exploration. Recent evidence in monkeys suggests that grid cells firing is elicited by …
View article: Mental search of concepts is supported by egocentric vector representations and restructured grid maps
Mental search of concepts is supported by egocentric vector representations and restructured grid maps Open
The human hippocampal-entorhinal system is known to represent both spatial locations and abstract concepts in memory in the form of allocentric cognitive maps. Using fMRI, we show that the human parietal cortex evokes complementary egocent…