Alcohol Drugs and Behavior Lecture - October 29th, 2003 Bell Curve I I I I I /-------\ I / \ I / \ I------- ------------------- I I--------------------------------------- Population I I I I I 50% Self-administration of stimulants... (In alcohol there was a difficulty to get self-admin) With stimulants this is very easy. Using the jugular vein cathiter they are administered on the push of a button. (by the animal) Motivational properties of an animal.... how much will it work to get what you are studying. (the use of a ratiotic procedure known as break point) (Yeah its all recap sooo don't worry bout it ...)