Jon left his house this morning without a sweatshirt. he cannot focus on his friend’s presentation because he can’t stop thinking about how cold he is. this is an example of:

The correct answer is:

Physiological Noise

Explanation:

Physiological Noise is the process that interrupts the appropriate communication process due to a physiological need. In this specific case, it is possible to notice how Jon stops paying attention to the words said from the people around, because he has the physiological need to warm up his body in the absence of his sweatshirt. At that moment the person can only focus on fulfilling his physiological need first, and that is why they lose the capacity for concentrating in any other activity that requires attention.

now, of course, the quality and the seasonability of these winter dreams varied, but the stuff of them remained.   they persuaded dexter several years later to pass up a business course at the state university—his father, prospering now, would have paid his way—for the precarious advantage of attending an older and more famous university in the east, where he was bothered by his scanty funds. but do not get the impression, because his winter dreams happened to be concerned at first with musings on the rich, that there was anything merely snobbish in the boy. he wanted not association with glittering things and glittering people—he wanted the glittering things themselves. often he reached out for the best without knowing why he wanted it—and sometimes he ran up against the mysterious denials and prohibitions in which life indulges.

there you go thats what we are missing

the noun in this is person