416 Pages
by
Psychology Press
416 Pages
by
Psychology Press
416 Pages
by
Psychology Press
Also available as eBook on:
Brain asymmetry for speech is moderately related to handedness but what are the rules? Are symmetries for hand and brain associated with characteristics such as intelligence, motor skill, spatial reasoning or skill at sports? In this follow up to the influential Left, Right Hand and Brain (1985) Marian Annett draws on a working lifetime of research to help provide answers to crucial questions.... Read more
Introduction. The Puzzle of Handedness and Cerebral Speech. The Right Shift Theory. Human Handedness: Discrete Types or Continuous Varieties? The Right Shift Theory of Handedness: Chance Plus or Minus Right Loading. A Right Shift Factor for Left Cerebral Dominance. The Single Gene Theory of Right Shift. Explorations in the Light of the Theory. Stability and Change: Handedness with Age, Sex and Time. A Single Gene with Variable Expression for Genotype, Sex and Twinning. Other Asymmetries of Brain and Behaviour. Predicting Associations Between Asymmetries. A Genetic Balanced Polymorphism with Heterozygote Advantage. Why Right Shift and Why Genetic Variability? The Advantages and Disadvantages of the RS+ Gene. Heterozygote Advantage. What are the Disadvantages of Right Shift? Spatial and Mathematical Reasoning, Art, Music, Surgery and Sport. Speech, Phonology and Varieties of Dyslexia: The Costs and Benefits of the RS+ Gene. Schizophrenia and Autism: The Theory of an Agnosic RS+ Gene. Independent Replications, Challenges and Theories. Independent Tests and Challenges. Alternative Theories or Variations on a Theme? Conclusions. Summary: What, How, and Why? Appendices.
Biography
Marian Annett
'Annett's latest book provides a very readable comprehensive review of her RS theory of handedness and brain asymmetry, complete with a substantial survey of the evidence that supports the theory.' - Laterality
