3 ms·
> Having the goal in the centre of the room, so that approach paths covered 360 degrees, turned out to be the essential element in pinpointing the vector cells.
by tantalor 10y ago
> Having the goal in the centre of the room, so that approach paths covered 360 degrees, turned out to be the essential element in pinpointing the vector cells. It meant that the team could verify that the same neurons were firing whatever the direction of approach.
This reminds me of hacking on old Mac OS games with a program called Pandora's Box.
http://www.macgamefiles.com/item/11768/Pandoras-Box/ http://www.macgamefiles.com/item/11768/Pandoras-Box/
The basic idea is to dump the game's memory, then do something like lose a life, then scan the memory dump for values that changed from the old value to the new value. It almost always worked!
- TFortunato 10y agoThis was a feature of the GameShark for Nintendo 64 as well for finding new codes beyond what they published. For example, if you had 100 rounds of ammo left, you would press a button on the cartridge, and have it search the ram for the value 100. Drop back into the game, fire off a shot, and hit the button again to search for which of those values changed to 99. Repeat until you found target area in memory and make a code for it. The device also had a parallel port interface to talk to it via a pc, but I remember less about using that when I was a kid. Pretty basic technique, but as a kid interested in technology, it's stuck with me to this day!
- Terr_ 10y agoNowadays you can use something like Cheat Engine, and many emulators have built-in support for freezing values in old games.