Clinical PictureBrain of a white-collar worker
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Recentering neuroscience on behavior: The interface between brain and environment is a privileged level of control of neural activity
2022, Neuroscience and Biobehavioral ReviewsCitation Excerpt :Accordingly, the traditional reductionist view of individual agents at microscopic level (e.g. genes, molecules, circuits, etc.) as difference-making causes of macroscopic-level phenotypes has to be reconsidered (DiFrisco and Jaeger, 2020). As an extreme example of the lack of match between microscopic changes and macroscopic consequences, people lacking most of their cortex after a developmental hydrocephalus can preserve most of their intellectual capacities (Feuillet et al., 2007). It is however worth mentioning that not all phenomena are emergent properties.
Might pain be experienced in the brainstem rather than in the cerebral cortex?
2022, Behavioural Brain ResearchCitation Excerpt :The inability of humans to sense and process such stimuli makes us less capable, but not less conscious. Even major brain lesions affecting the cortex like surgical hemispherectomy, prefrontal lobotomy and congenital cortical thinning, although they do cause disabilities, spare consciousness and with it often a considerable degree of sensory-motor, cognitive and emotional functioning [42,43]. This is indisputable in the many patients with these sorts of injuries who are capable of speech.
Function and Evolution of the Reptilian Cerebral Cortex
2020, Evolutionary NeuroscienceIntrinsic Functional Connectivity of the Brain in Adults with a Single Cerebral Hemisphere
2019, Cell ReportsCitation Excerpt :Does the compensated level of cognition that can occasionally be found in such patients depend on a different or reorganized set of functional networks, or does mostly intact cognition always go hand in hand with the basic set of resting-state networks? Neither of the above cases (Feuillet et al., 2007; Damasio et al., 1985) has been investigated with resting-state fMRI, and a quantitative answer to this question remains unknown. Here, we tested this question by collecting high-quality resting-state fMRI in a sample of six rare individuals with major anatomical perturbation, high-functioning patients after surgical removal of one cerebral hemisphere (hemispherectomy; Figure 1; Table 1).
Searching in the wrong place: Might consciousness reside in the brainstem?
2022, Behavioral and Brain SciencesAsymptomatic hydrocephalus
2021, CMAJ