When these 2 are connected and the MBP's lid is closed, does the MBP drive both displays at same time, or, is the internal display Off?

I'm concerned about the MBP generating more heat, when the lid is closed, than is good for such extended manner of use.


MacStudio M1max - 14.4.1, 64 GB Ram, 4TB SSD; Studio Display; iPhone 13mini; Watch 9; iPadPro (M2) 11" WiFi