Final answer:
The question addresses two aspects of motor skills performance: 'praxis,' the repetition of a skill based on verbal description, and random practice of different tasks to improve motor learning.
Step-by-step explanation:
The question involves two different concepts of skills performance in the context of motor learning and neuroscience. The first concept involves repeated performance of the same motor skill, which is a form of practice known as praxis. This is where a task is performed entirely from a verbal description without any visual demonstration, requiring the patient to understand and translate instructions into actions using sensory feedback. An example of praxis is instructing a patient to place their hand palm down and then flip it over repeatedly without showing them how to do it.
The second part of the question refers to the performance of several tasks in random order to encourage the reformulation of the motor problem's solution, which is a learning strategy to build motor coordination and skill. This can include exercises like touching each finger to the thumb or rapidly alternating leg movements. This type of practice helps in coordinating movement commands and is important for creating variability and adaptability in motor learning.