“Can brushing cause a gum recession?”

Yes but many things can cause gingival recession like brushing, your bite, and also clenching

Improper brushing with too stiff a brush can cause gum recession. But not brushing can also cause gum recession. It is important to see your dentist and professional hygienist routinely so they can check your gums as well as your teeth and make recommendations for changes in your daily brushing as needed. A dental professional will be able to see issues you cannot see in your own mouth, and should know what signs to look for before irreversible damage occurs.

Improper brushing technique is considered trauma and is one of the most common causes for gingival recession.

Yes, the improper movements and use of too much pressure during brushing can cause recession.