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Neurological Disorders Lesson 5.1 What circuit do drugs affect in our brains?

Neurological Disorders Lesson 5.1

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Neurological Disorders Lesson 5.1. What circuit do drugs affect in our brains?. 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. - PowerPoint PPT Presentation

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Page 1: Neurological Disorders Lesson 5.1

Neurological DisordersLesson 5.1

What circuit do drugs affect in our brains?

Page 2: Neurological Disorders Lesson 5.1

Do Now:

What is addiction?

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

Page 3: Neurological Disorders Lesson 5.1

Should animals be used in scientific research?

Page 4: Neurological Disorders Lesson 5.1

Comparing the Human and Rat Brain

Human Brain Rat Brain

Page 5: Neurological Disorders Lesson 5.1

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

addiction?

Complete Lab on Paper.

Page 6: Neurological Disorders Lesson 5.1

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

StimulusFood

*

Time (min)

Tota

l num

ber o

f lev

er p

ress

es

Time (min)

Tota

l num

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f lev

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es

Rat C Rat D*

The Data

Page 7: Neurological Disorders Lesson 5.1

What parts of the brain are involved in addiction?

Rat A Rat B

Rat C Rat D

cocaine control*

*

Page 8: Neurological Disorders Lesson 5.1

The Brain’s Reward Circuit

Prefrontal Cortex(PFC)

Nucleus Accumbens (NAc) Ventral Tegmental Area

(VTA)

Page 9: Neurological Disorders Lesson 5.1

The Brain’s Reward Circuit

Human Brain Rat Brain

VTANAc

PFC

Page 10: Neurological Disorders Lesson 5.1

Why do humans abuse drugs?

Page 11: Neurological Disorders Lesson 5.1

What is Addiction?

Addiction is the continued compulsive use of drugs in spite of adverse health or social consequences.