I have a multi-store setup and I am setting a Product\'s Attribute for a particular store to use the \"Use Default Value\" option - (ie to use the value in the Store View), as f
Simply use 0 as the store ID (admin store) which is the same thing as default values in the Magento Admin.
Mage::getSingleton('catalog/product_action')
->updateAttributes(
array($productId),
array('name' => false),
0);
If you already set the store view scopes you will have to go in and recheck the use default values or it will override the attribute at the relevant scope.
There may be a way to programmatically set these. I'm uncertain.