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A GTA VI trailer reaction video, second by second
GTA VI was on Google's trends list for Great Britain, so we ran a reaction video for it through v2neuro, our brain-encoding model trained on fMRI recordings. The clip is iShowSpeed Reacts To GTA 6 - Official Launch Trailer from the YouTube channel Live Speedy: a streamer reacting to the Rockstar trailer, not the trailer itself. We scanned the opening 2:30 of its 3:45 to see where the predicted brain response rises and falls.
The peak comes at 0:09
The strongest predicted response in the scanned stretch lands at 0:09. The brain system leading at that second is the speech system, the part of the model tied to processing spoken language.
The clip's own transcript has "Oh, I didn't know that. I thought you were talking about chat. Talking to me? You talking to me? I thought you were..." around that moment. This is a reaction video, so these are the streamer's words, not the Rockstar trailer's. We can't tell you why the response peaks there from the scan alone, and we won't guess at what is on screen. The scan gives a timestamp and a leading system, not a description of the footage.
The steepest fall runs from 0:16 to 0:19
The steepest three-second fall in predicted response runs from 0:16 to 0:19. A fall like this is not a verdict on the clip: every video has a steepest fall somewhere. If this were your own cut, 0:16 to 0:19 is the stretch you would open first before you publish.
The opening sits mid-range
The opening of the clip sits in the middle of its predicted-response range: the first three seconds land near the clip's median, below the 0:09 peak but well above its quietest stretches later on. That comparison is against the rest of this clip, not against any other video.
What this scan does not tell you
Everything above is a model prediction of group-average cortical response, from a model trained on fMRI recordings. It is not a measurement of any viewer. Nobody was scanned for this post.
It is also not a verdict on the video, the reaction, or the game. The scan gives timestamps and the brain systems that lead. The quoted line comes from the clip's transcript.
Credit and the source clip
The clip is iShowSpeed Reacts To GTA 6 - Official Launch Trailer, uploaded by the YouTube channel Live Speedy, linked under the chart above. We scanned its opening 2:30; the full upload runs 3:45.
The second-by-second breakdown is on the share page linked under the chart above, where you can rotate the 3D brain map and read the trust score at each second.
Frequently asked questions
Is this the official GTA VI trailer?
No. We scanned a reaction video: iShowSpeed Reacts To GTA 6 - Official Launch Trailer from the YouTube channel Live Speedy. The predicted brain response is to the streamer's clip, which includes his commentary, not to the Rockstar trailer on its own.
Where does the predicted brain response peak in this clip?
At 0:09, led by the speech system. The clip's transcript has "Oh, I didn't know that. I thought you were talking about chat. Talking to me? You talking to me? I thought you were..." around that moment.
How much of the video was scanned?
The opening 2:30 of the 3:45 upload. The strongest predicted response lands at 0:09 and the steepest fall runs from 0:16 to 0:19.
Does the model see what is on screen?
No. v2neuro predicts a group-average cortical response from a model trained on fMRI recordings. It gives timestamps and which brain systems lead, not a description of the footage, and it does not measure any viewer.
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