What are the specific neuromuscular and cognitive effects of alcohol consumption on a cyclists ability to maintain situational awareness, react to stimuli, and execute fine motor skills, particularly in relation to the attenuation of feedback from proprioceptors and mechanoreceptors in the body? While its well-known that acute alcohol consumption can impair reaction time, decision-making, and overall physical coordination, how does this translate to high-intensity, high-stress cycling environments where a rider must integrate and process a vast amount of sensory information in real-time to maintain control and safety? Does the type and amount of alcohol consumed play a significant role in the degree of cognitive impairment, and are there any specific physiological markers or metrics that can be used to quantify the effects of alcohol on cycling-related mental clarity and cognition?