How do get credit for capturing a psionic pandorn?

For most of the game, I’ve had a research option that requires me to “Capture a Pandoran with Psionic Powers” (or words to that effect). I’ve done so, repeatedly. According to my Containment room details, I have five Sirens and 2 Scylla captured. But I still can’t actually initiate that research. Is this a glitch, or am I doing something wrong?

For some researches you have to capture an enemy with specific mutation.
In your case you are probably looking for “Psychic Scream” ability.

ahh, good to know. Thanks. I don’t recall any of the specific Sirens I captured having used that ability. Looks like I’m goin’ hunting for some new ones.