6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the...

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6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging • Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s structure

Transcript of 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the...

Page 1: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

6.2C Studying the BrainA. MRI: Magnetic Resonance

Imaging• Passing non-harmful radio

waves thru the brain which gives a highly detailed image of the brain’s structure

Page 2: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

Studying the Brain (cont)

MRI: a real brain image

Page 3: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

Studying the Brain (cont)

MRI: a real brain image

#2

Page 4: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

Studying the Brain (cont)B. PET scan: Positron Emission

Topography• Injecting radioactive solutions

into blood and measuring the amount of radiation brain cells absorb.

• Computers then analyze the data, transforming activity level to various colors

Page 5: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

Studying the Brain (cont)

PET scan: a real brain image

Page 6: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

Computerized Axial Tomography (CT)• CT- an imaging

technique used to study the brain to pinpoint injuries and brain deterioration

• Radiation is absorbed in different amounts depending on the density of the brain tissue. Computers measure and transform into a three dimensional view of the brain.

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Electroencephalograph (EEG)• EEG- a machine

used to record the electrical activity of large portions of the brain.

Page 8: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

6.4 Heredity and Environment

1.) Body Build2.) Intelligence3.) Personality4.) Mathematical ability

5.) Baldness6.) Handedness7.) Height8.) Musical ability9.) Longevity

Page 9: 6.2C Studying the Brain A. MRI: Magnetic Resonance Imaging Passing non-harmful radio waves thru the brain which gives a highly detailed image of the brain’s.

• John Watson, the founder of behaviorism, wrote in 1930: Give me a dozen healthy infants, well-formed, and my own specified world to bring them up and I’ll guarantee to turn him into any specialist-doctor, lawyer, artist etc.

• Sir Francis Galton published Heredity Genius in 1869: after studying the families of over 1000 successful families he concluded that success ran in families and heredity was the cause.

Nature vs. Nurture

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• Heredity: the genetic transmission of characteristics from parents to their offspring.

• Identical Twins: twins who come from one fertilized egg; twins having the same heredity.

• Genes: the basic building blocks of heredity.• Fraternal Twins: twins who come from two

different eggs fertilized by two different sperm.


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