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Cerebral specialization and interhemispheric communication: does the corpus callosum enable the human condition?
- M. Gazzaniga
- Psychology, BiologyBrain : a journal of neurology
- 1 July 2000
It is reasonable to suppose that the corpus callosum has enabled the development of the many specialized systems by allowing the reworking of existing cortical areas while preserving existing functions.
Towards responsible use of cognitive-enhancing drugs by the healthy
Society must respond to the growing demand for cognitive enhancement by rejecting the idea that 'enhancement' is a dirty word, argue Henry Greely and colleagues.
Combined spatial and temporal imaging of brain activity during visual selective attention in humans
Together neuroimaging and e.r.p. recording showed that visual inputs from attended locations receive enhanced processing in the extrastriate cortex (fusiform gyrus) at 80130 ms after stimulus onset, which reinforces early selection models of attention.
Learned dynamics of reaching movements generalize from dominant to nondominant arm.
- Sarah E. Criscimagna-Hemminger, O. Donchin, M. Gazzaniga, R. Shadmehr
- PsychologyJournal of neurophysiology
The results suggest that when the dominant right arm is used in learning dynamics, the information could be represented in the left hemisphere with neural elements tuned to both the right arm and the left arm, in contrast to current practice, which seems to rely on the elements in the nondominant hemisphere tuned only to movements of that arm.
Forty-five years of split-brain research and still going strong
- M. Gazzaniga
- PsychologyNature Reviews Neuroscience
- 1 August 2005
Split-brain methodology has yielded insights into the remarkable regional specificity of the corpus callosum as well as into the integrative role of thecallosum in the perception of causality and in the authors' perception of an integrated sense of self.
Cognitive Neuroscience: The Biology of the Mind
Three leading figures in the field of cognitive neuroscience provide an engaging, narrative-driven overview of this path-breaking field. Taking a highly interdisciplinary approach, the authors…
The Integrated Mind
The split brain and the Integrated Mind are studied, and the nature of Interhemispheric Communication and Hemisphere Specialization are studied.
Graspable objects grab attention when the potential for action is recognized
- T. Handy, Scott T. Grafton, Neha M. Shroff, S. Ketay, M. Gazzaniga
- Biology, PsychologyNature Neuroscience
- 1 April 2003
It is reported that graspable objects may facilitate visuomotor transformations by automatically grabbing visual spatial attention, and it is suggested that visual sensory gain aids perception and may also have consequences for object-directed actions.
“ Theory of Mind ” as a Mechanism of Selective Attention
- M. Gazzaniga
A key component of human intelligence is our ability to think about each other’s mental states. This ability provides an interesting challenge for cognitive neuroscience attempts to understand the…