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  • Print publication year: 2009
  • Online publication date: December 2009

9 - Functional imaging studies on language lateralization in schizophrenia patients

from Section 2 - Language lateralization and psychosis


This chapter provides an overview of animal asymmetries of handedness, spatial orientation, and communication. For all three systems, the chapter provides a detailed knowledge on the behavioral and neural asymmetries in humans. It captures the details into a wider framework of cerebral asymmetries in animals, including humans. The chapter reviews the handedness studies with diverse animal species that make functional asymmetries for spatial cognition likely. It also reviews the spatial orientation studies, which shows that the hemispheres of mammals and birds contribute differentially to spatial cognition, although both sides are to some degree able to utilize the strategy of the other. The experiments with bird species show that spatial navigation requires different computational strategies of the left and the right brain. Experiments on asymmetries in the perception and production of communicatory signals cover a wide range of species from chimpanzees to frogs.


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