1. Dreaming of a deceased mother talking to oneself is usually seen as an emotional connection and comfort, an expression of subconscious longing for the mother, and there is no absolute "good" or "bad".
2. This dream may indicate that you still have deep feelings for your mother deep down in your heart, or that you have recently encountered some situations in life or work that require motherly care and support.
3. Dreaming of a deceased mother speaking can be seen as a positive psychological phenomenon that helps you deal with emotions, but it is also important to be careful not to overly rely on the information in the dream to guide real life.