english: But the invisible wounds were reaching new levels, and this pushed military doctors and researchers to try and truly understand the effects that traumatic brain injury, or TBI, and PTSD have on the brain.
non_english: Ipak, nevidljive rane  su dostizale nove nivoe, a to je nateralo vojne lekare i istraživače da pokušaju stvarno razumeti efekte traumatske povrede mozga, TPM, i PTST-a na mozak.