Ivan conditioned his pet bloodhound, watson, to draw every time the doorbell rang. after a few weeks, he got tired of mopping up the puddle of drool by his front door, so he repeatedly rang the doorbell without pairing the sound of food. eventually, the process of occurred, and watson stops drooling every time the doorbell rang.

LEARNING

Explanation:

Eventually, the process of  LEARNING  occurred, and Watson stops drooling every time the doorbell rang.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

this is not a question