You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is First centre that get activated before skilled voluntary movements is? and explain in detail?
ANSWER: (A) Neo cortexREF: Ganong's 22nd edition page 203Repeat from June 2011"The lateral corticospinal tract is concerned with skilled movements"See APPENDIX-15 for detailsOrigin: primary motor cortex (30%), premotor and supplementary motor area (30%) and somatosensory areas posterior to central sulcus (40%)It passes through posterior limb ofg internal capsule and then forms the pyramid of medulla Lateral corticospinal tractVentral corticospinal tract* 80% fibres cross in medulla to opposite side to form lateral corticospinal tract* Concerned with skilled movements and end directly on motor neurons in humans* Uncrossed fibres form ventral corticospinal tract* Don't cross until it reaches level of musclesGiant cells of betz are the originating cells of the tract located in primary motor cortex.