Anosognosia is a condition in which a patient with brain damage has no visual, auditory, somatosensory, consciousness or intellectual impairment, but is unable to recognize previously familiar objects by one sense, but can recognize them by other senses. For example, if a patient sees a watch and does not know what it is, but touches the shape of the watch and hears the sound of the watch moving, he immediately recognizes it as a watch. What are the examination methods for anosognosia? 1, computerized tomography CT examination CT is a fully functional condition detection instrument, it is the abbreviation of electronic computer X-ray tomography technology. CT examination is based on the different absorption and transmission rates of X-rays by different tissues of the human body, the application of extremely sensitive instruments to measure the human body, and then the data obtained from the measurement is input into the electronic computer, and the electronic computer processes the data, it can After processing the data, the electronic computer can take a cross-sectional or three-dimensional image of the examined part of the human body and discover small lesions in any part of the body. 2.Cranial MRI examination Cranial MRI examination is an MRI examination of the brain, which is used to observe whether there are lesions in the brain, and can clarify whether the patient is caused by structural changes in the brain, intracranial tumors often cause epilepsy, and MRI has a very high diagnostic confirmation rate for low-grade astrocytomas, ganglia, gliomas, arteriovenous malformations and hematomas in the brain. 3.Electroencephalography (EEG) EEG is a graph obtained by recording spontaneous biopotentials from the brain on the scalp with amplification through an instrument. 4.Fundus examination Fundus examination is an important method to check vitreous, retina, choroid and optic nerve diseases. It is suitable for patients with fundus disease.