instinctive drift

What Did Marian Breland And Keller Breland Learn Regarding Instinctive Drift? Discovery. Keller and Marian Breland were the discoverers of instinctive drift. They first noted this behavioural pattern when animals they had been training for years interrupted their learned behaviours to satisfy innate patterns of feeding behaviours. How does instinctive drift interfere with learning? Instinctive