BISC Notess

BISC Notess - Dopamine is broken down by enzymes such as...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
BISC Notes 19:17 Prosopagnosia – can’t recognize people’s faces Left and Right brain (second tab) PETscan - Tag dopamine with radioactive compound – decay  Tyrosine – amino acid derived from proteins Transformed into LDOPA  Converted into Dopamine  MAO – breaks down dopamine .0001% of total nerve cells in part of brain related to dopamine prosopagnosia can’t recognize faces reticular activating system – activated during particular situations that have a lot of  impact on you limbic system – fear part of our brain amygdala – receives dopamine, fear center  fMRI – see structural activity dopamine – Tyrosine – LDOPA LDOPA -> Dopamine -> Noriphorn (brain) -> epmerpherion (body) (adrenaline rush)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
LDOPA is given to people with Parkinson’s
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Dopamine is broken down by enzymes such as MAO (given to depressed people) Substantia nigra – dopamine center L-tyrosine (amino acid) -> LDOPA Dopamine goes to transporter and goes to receptor and goes back to transporter PET and CSCAN – addicts will have lower receptors and transporters PET SCAN – shows receptors coming back (lights up) Meth causes transporter and vesicles to reverse meth blocks the transporters system wont be able to recognize what normal levels of dopamine receptors withdraw – never can recapture the first rush Meth releases all of its dopamine ADHD mri – only structural, size of brain area Impulsivity, hyper activity, Stimulants – increase activity in frontal cortex 19:17 19:17...
View Full Document

This note was uploaded on 04/10/2012 for the course BISC 230LXG taught by Professor Mcclure,greene during the Spring '08 term at USC.

Page1 / 4

BISC Notess - Dopamine is broken down by enzymes such as...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online