Confusion
Confusion or puzzlement was a mental state characterized by bewilderment and lacking clearness in one's mind.

In 2254, Magistrate observed Captain Christopher Pikes confusion when he began reading the thought transmissions of the Talosians. ()

In 2370, during an apparent hull resiliency evaluation, Ensign Taurik was a little puzzled that he and Lieutenant Commander Geordi La Forge were intentionally damaging the shuttlecraft  by firing upon it with a phaser rifle. ()

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Emotions
Psychological conditions