Jaylen Brown has been the star of the show for the Celtics this season. And thanks to one of his new off-the-court pursuits, that show no longer ends when the final buzzer sounds.

After several Boston home games this season, Brown has completed his postgame obligations, hustled home from TD Garden and gone live on his FCHWPO Twitch channel until the early-morning hours.

By adding “Twitch streamer” to his resume, the longtime Celtics standout has given fans a much wider window into his life away from the parquet. And he believes his new outlet for self-expression is boosting his on-court performance.

“It’s new for me, because I’ve always been a private person, but I’ve actually enjoyed it,” Brown said Thursday at a “Bloomberg Newsmakers” event in Boston. “It’s almost been therapeutic, because I didn’t realize how much having your authentic self be able to be mirrored outwardly, how important that is and was for you. When you constantly are suppressing yourself because you have to protect yourself from people who want to portray you in a negative lens or create controversy that’s not there, it kind of diminishes your light. It makes you smaller. So when I started streaming, I feel so much more at peace than I ever have, especially here in Boston.

“So I’m very grateful. I only do it, like, once a week, twice a week, and I’m sure people want me to stop doing that. But right now, it’s helping me. It’s helping me on the court. It’s helping us win games. So y’all want me to stop, or not? What do you want me to do?”

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Brown launched his Twitch channel years ago — it still features archived clips of a young Brown, sporting his early-career high-top fade, playing “Spider-Man” and “Fortnite” on PlayStation — but began heavily utilizing it in late September, shortly before the start of Celtics training camp.

Why? To bypass what he views as an overly negative, clickbait-driven media industry and speak directly to his fans.

“That’s just the state of media today, especially in sports, where it’s just ridiculous,” he said. “Everything is clickbait, everything is headlines, everything is negativity, everything is controversy. Maybe it’s because nothing positive sells, nothing positive is interesting enough anymore, so everything is turned into just straight negativity, and that’s all people are looking for. It is tiring, you know? I’m tired. So I just started streaming so now people can get a real feel of what I’m thinking about a topic.”

Brown often streams from his home, staying on camera for hours as he analyzes film of himself and other players, riffs with guests and takes questions from viewers. One night in mid-November, he had teammate Jordan Walsh on and showed him highlights of ex-Celtic Marcus Smart. On another stream, Brown explained how advice from Tracy McGrady convinced him to stay with the Celtics rather than pursuing a higher-profile role elsewhere. He revealed new details about his 2021 wrist injury, six weeks before discussing it at length after Friday’s 125-117 win over the Toronto Raptors.

Boston Celtics guard Jaylen Brown (7) hangs on the hoop after dunking above Denver Nuggets forward Spencer Jones (21) during the first half at TD Garden. (Photo By Matt Stone/Boston Herald)

Earlier in the season, after he left a streak of hair dye on OG Anunoby’s jersey during a game against the New York Knicks, Brown researched flights to Turkey and called LeBron James for tips on hair-loss treatment while live on Twitch (James did not pick up). He’s also streamed himself conducting science experiments with Bill Nye at Celtics media day and salsa dancing with Victoria Monet in Los Angeles.

That much exposure can create its own forms of controversy — Brown made headlines last month when he said on a stream that Toronto Raptors forward Scottie Barnes had “extra chromosome strength,” a comment for which he later apologized during an appearance on teammate Derrick White’s “White Noise” podcast — but Brown appreciates the unfiltered platform that streaming provides.

“It’s like I have my own media platform where I can put out the information and takes that I see fit, and I think that’s value,” he said. “I think that’s a tremendous value. People chime in. I have people come in from all over the world to just hear me talk about whatever, or to come watch me play basketball or video games or whatever. So I have built (my) own form of media platform/marketing where I can get directly to the people who want to (listen).

“It just kind of gets rid of the middle man, right? Because other media marketing companies, they have angles. They have agendas. They have quotas that they’re trying to meet. They might not serve me. They might not be in the best interest of me. They might not care for how I feel. So I kind of started getting tired of it, so I just (said), ‘You know what, I’m going to start streaming.’ And now I can talk to these people, and now you can hear directly from me.”

As for the on-court benefits of Brown’s embrace of streaming, it’s hard to argue with his process this season. Thirty-seven games in, the Celtics boast the second-best record in the Eastern Conference, and Brown has played his way into the NBA MVP conversation, averaging 29.6 points, 6.4 rebounds and 5.0 assists per game.