AD	Alzheimer’s disease
AQP	Aquaporin
ATP	Adenosine triphosphate
PBMt	Photobiomodulation therapy
CASP-9	Caspase-9
CSF	Cerebrospinal fluid
DRG	Dorsal root gangion
EM	Elctromagnetic
GABA	gamma aminobutyric acid
H2O2	Hydrogen peroxide
JAK-STAT	Janus kinases-signal transducer and activator of transcription proteins
KHz	Kilohertz
L-DOPA	Levodopa
LED	Light-emitting diode
LFOs	Low-frequency oscillations
MAP2	Microtubule-associated protein 2
MMP	Mitochondrial membrane potential
NIR	Near-infrared
NO	nitric oxide
PD	Parkinson’s disease
REM	Rapid eye-movement
ROS	Reactive oxygen species
RRM	Resonant recognition model
SPD	Spectral power density
THz	Terahertz
TRESK	TWIK-related spinal cord potassium channel
TRP	Transient receptor potential
TWIK	the weakly inward rectifying K channel
UDP	5′-diphosphglucuronosyltransferase 1-A1
UPE	Ultra-weak photon emissions
VE	vascular endothelial