However, the rodent studies were poorly focused on the behavioral end, and Ron Frostig and Daniel Polley (1999, 2004) identified behavioral manipulations as causing a substantial impact on the cortical plasticity in that system.
Namun, penelitian terhadap hewan pengerat tidak banyak berfokus kepada perilaku, dan Ron Frostig dan Daniel Polley (1999, 2004) menunjukkan bahwa manipulasi perilaku dapat memberikan dampak yang besar terhadap plastisitas kortikal dalam sistem tersebut.