Livoa LogoLivoa
Striatum
Substantia nigra Pars compacta
Globus pallidus internus (GPi) Substantia nigra Pars reticulata
Subthalamic nucleus (STN)
Globus pallidus externus (GPe)
Thalamus
Cortex
Legend


red = Parkinson

blue = neurotransmitter

+ = excitatory

- = inhibitory

GABA = Gamma-aminobutyric acid

Glu = Glutamate

DA = Dopamine

Action

Suppressing

Input from other brain regions
D1 Path (direct)
D2 Path (indirect)
underbalanced
D2

overbalanced

D1
overbalancing
GABA (-)

Glu (+)

Bradykinesia

Akinesia

Resting Tremor

Postural Instability

DA (D1+/D2-)
overinhibition

GABA (-)

GABA (-)

GABA (-)

GABA (-)

Glu(+)

Glu(+)

Glu (+)

underbalancing
DA ↓
GPe ↓

Bachelorthesis - Basal ganglia

by quantenskill

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