Five days after Hurricane Maria made landfall in Puerto Rico, its devastating impact is becoming clearer. Most of the . territory currently has no electricity or running water, fewer than 250 of the island’s 1,600 cellphone towers are operational, and damaged ports, roads, and airports are slowing the arrival and transport of aid. Communication has been severely limited and some remote towns are only now being contacted. Jenniffer Gonzalez, the Resident Commissioner of Puerto Rico, told the Associated Press that Hurricane Maria has set the island back decades.
Because of an editing error, Oliver Sacks’s Op-Ed essay last Thursday misstated the proportion of cases in which the rare eye cancer he has — ocular melanoma — metastasizes. It is around 50 percent, not 2 percent, or “only in very rare cases.” When Dr. Sacks wrote, “I am among the unlucky 2 percent,” he was referring to the particulars of his case. (The likelihood of the cancer’s metastasizing is based on factors like the size and molecular features of the tumor, the patient’s age and the amount of time since the original diagnosis.)
Proprioception is occasionally impaired spontaneously, especially when one is tired. Similar effects can be felt during the hypnagogic state of consciousness , during the onset of sleep. One's body may feel too large or too small, or parts of the body may feel distorted in size. Similar effects can sometimes occur during epilepsy or migraine auras . These effects are presumed to arise from abnormal stimulation of the part of the parietal cortex of the brain involved with integrating information from different parts of the body.