Olds & Milner (1954) Positive Reinforcement Produced by Electrical Stimulation (Edexcel A-Level Psychology): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How did Olds & Milner discover the reward centre?
How did Olds & Milner discover the reward centre?
A rat returned to where stimulation occurred
How many rats were used in Olds & Milner's study?
How many rats were used in Olds & Milner's study?
15 male hooded rats
How long did rats recover after electrode implantation?
How long did rats recover after electrode implantation?
Three days
What voltage range was used for brain stimulation?
What voltage range was used for brain stimulation?
0.5 to 5 volts
How long was extinction testing each day?
How long was extinction testing each day?
30 minutes
What % of acquisition time did septal area rats respond?
What % of acquisition time did septal area rats respond?
75-92%
What does 0% response during acquisition suggest?
What does 0% response during acquisition suggest?
Punishing effect - stimulation was aversive
Which brain area was identified as the main reward centre?
Which brain area was identified as the main reward centre?
Septal area
Why did the study have high internal validity?
Why did the study have high internal validity?
Controlled lab with only electrical stimulus
What was a key weakness regarding the sample?
What was a key weakness regarding the sample?
Some brain regions observed in only 1 rat