PSYCH Lecture Week 20
Motivation and Emotion
What motivates us?
Drives > Regulatory > Internal states
> Nonregulatory > Social, safety, education, reproduction
What motivates us? Pleasure. What pleasures us? (poll)
Sex, good, friends or family, success, thrill seeking?
Friends and family come out on top, followed by success, food, sex, thrill seeking.
Our brain is everything we are, feel, think and do.
How do we make decisions? Survive and procreate. Sex or sandwich?
How do we study the brain?
• Human neuroimaging (correlation [two variables vary together], though cannot
• Acquired brain injury
• Animal research
• Results in knowledge/medicine to help with real world problems
• Provides a fundamental understanding of how our brains function
• Involves strict ethics boards
• Minimal harm standards
Link: brain and behaviour:
Seeing a rat levelpress for brain stimulation reward was an epiphany for me – and one of
the main reasons I’m in psychology, probably – so I agree that it is a powerful
demonstration of the link between brain and behaviour!” – Ingrid Johnsrude