Presentation is loading. Please wait.

Presentation is loading. Please wait.

Schizophrenia positive symptoms negative symptoms anx/dep aggressive symptoms cognitive symptoms 10-1 Stahl S M, Essential Psychopharmacology (2000)

Similar presentations


Presentation on theme: "Schizophrenia positive symptoms negative symptoms anx/dep aggressive symptoms cognitive symptoms 10-1 Stahl S M, Essential Psychopharmacology (2000)"— Presentation transcript:

1 schizophrenia positive symptoms negative symptoms anx/dep aggressive symptoms cognitive symptoms 10-1 Stahl S M, Essential Psychopharmacology (2000)

2 Positive Symptoms of Schizophrenia

3 Negative Symptoms of Schizophrenia

4 10-20 Stahl S M, Essential Psychopharmacology (2000) 100% 50% 0 15204060 Age in years Functional Status

5 hypothalamus d c Nucleus accumbens Tegmentum b Substantia nigra Basal Ganglia a DOPAMINE PATHWAYS 10-7 Stahl S M, Essential Psychopharmacology (2000)

6 mesolimbic overactivity = positive symptoms of psychosis 10-9 Stahl S M, Essential Psychopharmacology (2000)

7 Mesolimbic Dopaminergic Hyperactivity in Schizophrenia Laruelle et al., Ann NY Acad Sci (2003)

8 Relationship Between Affinity for Dopamine D 2 Receptors and Daily Dose for Treating Schizophrenia

9 primary dopamine deficiency D2 receptor blockade secondary dopamine deficiency mesocortical pathway increase in negative symptoms 10-11 Stahl S M, Essential Psychopharmacology (2000)

10 Hypofunction of Mesocortical Dopaminergic Transmission in Schizophrenia Laruelle et al., Ann NY Acad Sci (2003)

11 Dopamine Dyregulation in Schizophrenia

12 Glutamate-Dopamine Interactions in Schizophrenia Takahata and Moghaddam, J Neurochem (2000)

13 Kaplan and Hammer, Am Psychiatric Press Inc, 2002

14 Thesis- Dopamine Dysregulation in Schizophrenia Mechanism Schizophrenia Sxs 1. Hypoactivity of PFC Negative/Cognitive DA Systems Sxs 2. Hyperactivity of NAc Positive Sxs DA Systems 3. Neuroleptic induced Improves Positive Sxs DA blockade Worsens Negative Sxs


Download ppt "Schizophrenia positive symptoms negative symptoms anx/dep aggressive symptoms cognitive symptoms 10-1 Stahl S M, Essential Psychopharmacology (2000)"

Similar presentations


Ads by Google