Search results
Results from the WOW.Com Content Network
Sir Charles Bell. Bell's phenomenon (also known as the palpebral oculogyric reflex [1]) is a medical sign that allows observers to notice an upward and outward movement of the eye, when an attempt is made to close the eyes. The upward movement of the eye is present in the majority of the population, and is a defensive mechanism. [2]
Test anxiety can also be labeled as anticipatory anxiety, situational anxiety or evaluation anxiety. Some anxiety is normal and often helpful to stay mentally and physically alert. [ 13 ] When one experiences too much anxiety, however, it can result in emotional or physical distress, difficulty concentrating, and emotional worry.
For example, the Mayo Clinic says, you might see: Blind spots, which might be outlined with geometric designs. Shimmering stars or spots. Zigzag lines that slowly float across your vision. Flashes ...
Horizontal eye movement is thought to trigger an "orienting response" in the brain, used in scanning the environment for threats and opportunities. [52] The idea that eye movement prompts communication between the two sides of the brain. This idea is not grounded in accepted neuroscience. [51]
Changes in the eye can help predict other health concerns in the body, such as diabetes and high blood pressure. A new study has identified a set of 29 vascular health indicators on the retina ...
The activation in the brain during an aura can spread through multiple regions continuously or discontinuously, on the same side or to both sides. [7] Auras are particularly common in focal seizures. If the motor cortex is involved in the overstimulation of neurons, motor auras can result. Likewise, somatosensory auras (such as tingling ...
The leading cause of hypothyroidism is Hashimoto’s disease (also known as Hashimoto’s thyroiditis, chronic autoimmune thyroiditis or lymphocytic thyroiditis), per Cleveland Clinic.
Side effects common to both SNRIs include anxiety, restlessness, nausea, weight loss, insomnia, dizziness, drowsiness, sweating, dry mouth, sexual dysfunction and weakness. [121] In comparison to SSRIs, the SNRIs have a higher prevalence of the side effects of insomnia, dry mouth, nausea and high blood pressure.