Use "mental confusion" in a sentence

1. cause hallucinations and mental confusion

2. It may cause mental confusion in

3. He need not have explained though because by the time he had concluded his sentence the Leaf Children were gazing about them, any feelings of mental confusion replaced by wonder and some concern at what they saw

4. If you have a deficiency in vitamin B12, you will have the following symptoms: numbness and tingling of the hands and feet, paleness, shortness of breath, chronic fatigue, a sore mouth and tongue, and mental confusion