What Are the Symptoms of Brain Disorders?
Jun 02, 2021
Source: Cainiu Health
Dr. Zhong Mengfei
Introduction
Common symptoms of brain disorders include headache. Other frequent symptoms include limb paralysis, as the corticospinal tract sends nerve fibers to innervate skeletal muscles; damage to the corticospinal tract or motor cortex in the brain can lead to decreased muscle strength or even paralysis of the limbs. Sensory disturbances may also occur. Psychiatric abnormalities are another relatively common clinical manifestation of brain disorders. Additionally, sleep disorders are frequently observed.
Symptoms of brain disorders vary depending on the location and nature of the pathology. Some patients exhibit symptoms, while others remain asymptomatic; some symptoms manifest abruptly, whereas others develop gradually and subtly. So, what are the common symptoms of brain disorders? Below is an overview.
Common Symptoms of Brain Disorders
Headache is one of the most common symptoms of brain disorders. Other frequent manifestations include limb paralysis: the corticospinal tract sends neural signals to control skeletal muscles; thus, damage to this tract or to the motor cortex may result in reduced muscle strength—or even complete paralysis—of the limbs. Sensory disturbances may also occur, presenting clinically as numbness, pain, or hyperesthesia. Psychiatric abnormalities are relatively common in brain disorders, including hallucinations, mania, agitation, excitement, and behavioral disturbances. Sleep disorders are also frequently observed and are often associated with cerebral functional dysregulation. If any neurological symptoms arise, prompt medical evaluation is strongly recommended to ensure timely and appropriate diagnosis and treatment.
Knowledge Extension: Diagnostic Evaluation of Brain Disorders
1. Transcranial Doppler ultrasound assesses cerebral blood flow and detects vascular dilation or spasm. For suspected epilepsy, electroencephalography (EEG) and electromyography (EMG) are indicated. In cases of intracranial hemorrhage or tumor, cranial computed tomography (CT) or magnetic resonance imaging (MRI) should be performed.
2. Additional laboratory tests—including complete blood count (CBC), urinalysis, liver and kidney function tests, serum biochemistry, thyroid function tests, and lipid profile—are also essential. Systemic diseases—including cardiac, hepatic, and renal disorders—can significantly affect brain function, especially when severe.
The above outlines the common symptoms of brain disorders. We hope this information proves helpful to you.
