Brain Chemistry and illnesses

What were the ways in which we studied the brain, before modern technology?

• Disecting a dead brain

• Brain injury patients

• CT scan

• MRI scan

Today scientists and doctors study the brain without surgery, using imaging technologies like:

• MRI scans

• PET scans

• CT scans

• All answer are correct

Which imaging technology uses X-rays to view structures of the brain?

• Computer Tomography

• Magnetic resonance imaging

• Positron emission tomography

• All answer are correct.

Which imaging technology uses radioactive glucose to view structures of the brain?

• Computer Tomography

• Magnetic resonance imaging

• Positron emission tomography

• All answer are correct.

Which imaging technology uses magnetic flieds combined with radio waves to view structures of the brain?

• Computer Tomography

• Magnetic resonance imaging

• Positron emission tomography

• All answer are correct.

Which brain illness is associated with too low dopamine levels?

• Schizophrenia

• Parkinson’s disease

• Depression

• None of the answer are correct.

Which brain illness is associated with too high dopamine levels?

• Schizophrenia

• Parkinson’s disease

• Depression

• None of the answer are correct.

Which brain illness is associated with too high serotonin levels?

• Schizophrenia

• Parkinson’s disease

• Depression

• None of the answer are correct.

Which brain illness is associated with low serotonin levels?

• Schizophrenia

• Parkinson’s disease

• Depression

• None of the answer are correct.

Stimulants cause:

• more action potentials which make you feel happy, energetic and alert.

• less action potentials which make you feel happy, energetic and alert.

• more action potentials which make you feel sad, sleepy and tired.

• None of the answer are correct.