Table 2.

Summary of functions of the CP in the central nervous system.

Function influenced by CP	References
Cognitive functions
Learning and memory	[137]
Anxiety	[61]
PTSD-like behaviour	[64]
Depression	[138]
Neurophysiological/cell biological functions
Critical period regulation and neural circuit plasticity	[139, 140]
Chemical surveillance	[141, 142]
CSF production	[6]
Circadian rhythms	[18, 143]
Ion homeostasis and intercellular transport of molecules	[25]
Neuroprotection	[144]
Gut microbiota–immune interactions	[21]
Neurogenesis	[57, 59]
Inflammatory signalling	[64, 65, 145]
Stress response	[64]

CP choroid plexus, CSF cerebrospinal Fluid, PTSD post-traumatic stress disorder.