#782 Gillian Forrester: The Evolution of Handedness, Cerebral Lateralization, and Language

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Dr. Gillian Forrester is a Professor of Comparative Cognition in the School of Psychology at the University of Sussex. She is the director of the Comparative Cognition Group investigating the behaviors and brain organization of children, gorillas and chimpanzees focusing on how cognitive abilities evolve and develop over time and across species.

In this episode, we talk about the evolution of handedness and how it relates to language and other cognitive abilities. We first define handedness, and talk about how it evolved. We discuss if human hands are more dexterous, and how handedness works in Great apes. We discuss if it is innate, and which environmental factors play a role in its development. We then get into the neuroscience of handedness and how it relates to cerebral lateralization. We talk about how cerebral lateralization might connect to (higher) cognitive functions, and we discuss if there is a relationship between handedness and cognitive ability. We also discuss the relationship between handedness (and motor function more generally) and language, and the biological precursors of language. Finally, Dr. Forrester answers a question from a patron.

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A HUGE THANK YOU TO MY PATRONS/SUPPORTERS: PER HELGE LARSEN, JERRY MULLER, HANS FREDRIK SUNDE, BERNARDO SEIXAS, OLAF ALEX, JONATHAN VISSER, ADAM KESSEL, MATTHEW WHITINGBIRD, ARNAUD WOLFF, TIM HOLLOSY, HENRIK AHLENIUS, JOHN CONNORS, FILIP FORS CONNOLLY, DAN DEMETRIOU, ROBERT WINDHAGER, RUI INACIO, ZOOP, MARCO NEVES, COLIN HOLBROOK, SIMON COLUMBUS, PHIL KAVANAGH, MIKKEL STORMYR, SAMUEL ANDREEFF, FRANCIS FORDE, TIAGO NUNES, ALEXANDER DANNBAUER, FERGAL CUSSEN, HAL HERZOG, NUNO MACHADO, JONATHAN LEIBRANT, JOÃO LINHARES, STANTON T, SAMUEL CORREA, ERIK HAINES, MARK SMITH, JOÃO EIRA, TOM HUMMEL, SARDUS FRANCE, DAVID SLOAN WILSON, YACILA DEZA-ARAUJO, ROMAIN ROCH, DIEGO LONDOÑO CORREA, YANICK PUNTER, ADANER USMANI, CHARLOTTE BLEASE, NICOLE BARBARO, ADAM HUNT, PAWEL OSTASZEWSKI, NELLEKE BAK, GUY MADISON, GARY G HELLMANN, SAIMA AFZAL, ADRIAN JAEGGI, NICK GOLDEN, PAULO TOLENTINO, JOÃO BARBOSA, JULIAN PRICE, EDWARD HALL, HEDIN BRØNNER, DOUGLAS FRY, FRANCA BORTOLOTTI, GABRIEL PONS CORTÈS, URSULA LITZCKE, SCOTT, ZACHARY FISH, TIM DUFFY, SUNNY SMITH, JON WISMAN, MORTEN EIKELAND, DANIEL FRIEDMAN, WILLIAM BUCKNER, PAUL-GEORGE ARNAUD, LUKE GLOWACKI, GEORGIOS THEOPHANOUS, CHRIS WILLIAMSON, PETER WOLOSZYN, DAVID WILLIAMS, DIOGO COSTA, ANTON ERIKSSON, CHARLES MOREY, ALEX CHAU, AMAURI MARTÍNEZ, CORALIE CHEVALLIER, BANGALORE ATHEISTS, LARRY D. LEE JR., OLD HERRINGBONE, STARRY, MICHAEL BAILEY, DAN SPERBER, ROBERT GRESSIS, TOM ROTH, THERPMD, IGOR N, JEFF MCMAHAN, JAKE ZUEHL, BARNABAS RADICS, MARK CAMPBELL, RICHARD BOWEN, TOMAS DAUBNER, LUKE NISSEN, CHRIS STORY, MANUEL OLIVEIRA, AND KIMBERLY JOHNSON!

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