動詞の形N3
〜（ら）れる（自発）
cannot help but... / spontaneously... (spontaneous)
Structure
V-未然形 + れる / られる（自発）
Explanation
The spontaneous use of reru/rareru, indicating involuntary feelings or thoughts, "cannot help but...". E.g., 昔が思い出される.
Examples
この写真を見ると、昔が思い出されます。
Looking at this photo, I can't help remembering the past.
彼の言葉には、考えさせられます。
His words make one think.
Note
The spontaneous reru/rareru is identical to the passive; distinguish by context. Often with 思う/感じる/思い出す.