Neuro Unit 5: How do our choices change our brains?

Preview:

DESCRIPTION

Neuro Unit 5: How do our choices change our brains?. Unit 5.1: Drugs of abuse hijack the reward pathway. Do Now:. What is addiction? How can scientists figure out what parts of the brain are involved in addiction?. Should animals be used in scientific research?. - PowerPoint PPT Presentation

Citation preview

Neuro Unit 5: How do our choices change our brains?

Unit 5.1: Drugs of abuse hijack the reward pathway

Do Now:

What is addiction?

How can scientists figure out what parts of the brain are involved in addiction?

Should animals be used in scientific research?

Comparing the Human and Rat Brain

Human Brain Rat Brain

How do scientists figure out what parts of the brain are involved in addiction?

Complete Lab on Paper.

Time (min)

Tota

l num

ber o

f lev

er p

ress

es

Rat A Rat B

Time (min)

Tota

l num

ber o

f lev

er p

ress

es

Time (min)

Tota

l num

ber o

f lev

er p

ress

es

Time (min)

Tota

l num

ber o

f lev

er p

ress

es

StimulusFood

*

Rat C Rat D*

The Data

What parts of the brain are involved in addiction?

Rat A Rat B

Rat C Rat D

cocaine control*

*

The Brain’s Reward CircuitPrefrontal Cortex

(PFC)

Nucleus Accumbens (NAc) Ventral Tegmental Area

(VTA)

The Brain’s Reward CircuitHuman Brain Rat Brain

VTANAc

PFC

Why do humans abuse drugs?

Should animals be used in scientific research?

Recommended