What did Flourens’ experiments suggest were the functions of the cerebrum and the cerebellum?
Answer
Marie-Jean-Pierre Flourens conducted experiments using the method of experimental ablation, where he systematically destroyed specific parts of the brain in various animals, particularly birds, to observe the resulting behavioral changes. His findings led to significant conclusions about the functions of the cerebrum and the cerebellum:
- Cerebellum: Flourens concluded that the cerebellum is primarily involved in the coordination of movement. His experiments demonstrated that damage to the cerebellum resulted in a loss of motor coordination, indicating its critical role in regulating and fine-tuning motor activities.
- Cerebrum: Flourens suggested that the cerebrum is involved in sensation and perception. He found that lesions in the cerebrum affected the animals’ ability to process sensory information, which aligned with earlier ideas proposed by Bell and Galen regarding the cerebrum’s role in sensory functions.
Overall, Flourens’ experiments provided solid experimental support for the idea that different parts of the brain have specialized functions, with the cerebellum being crucial for motor coordination and the cerebrum being essential for sensory processing and perception