What reflexes that activate muscles on the opposite side of the body as the stimulus are called?

Reflexes that activate muscles on the opposite side of the body in response to a stimulus are known as contralateral reflexes. These reflexes involve the sensory input from one side of the body leading to a motor response on the opposite side, facilitating coordinated movement and balance. An example of this is the crossed extensor reflex, which helps maintain stability when one limb is withdrawn from a painful stimulus.