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Ansietas - Coggle Diagram
Ansietas
Patofisiologi
Neurotransmitter
GABA
↓ GABA (interneuron inhibitor)
↓ inhibisi sirkuit limbik
disinhibisi amygdala
firing neuron ↑
kecemasan ↑
Serotonin (5-HT)
↓ 5-HT (raphe nuclei)
modulasi emosi ↓
kontrol fear ↓
hiperreaktivitas stres
kecemasan ↑
Norepinefrin
↑ locus coeruleus
arousal & vigilance ↑
aktivasi simpatis
gejala: palpitasi, tremor, sesak
Glutamat
↑ eksitasi (NMDA/AMPA)
firing ↑
overstimulasi jaringan
kecemasan ↑
Dopamin
disfungsi reward (mesolimbik)
anhedonia + motivasi ↓
kontribusi ansietas
Sirkuit Otak (fear circuit)
Prefrontal Cortex (PFC)
Hippocampus
Amygdala
hiperaktif
deteksi ancaman berlebihan
fear response ↑
Locus Coeruleus
HPA Axis (stress system)
Sistem Otonom
Integrasi