Doctors showed Ariel Sharon pictures of his family and used other stimuli . Sharon 's brain showed activity , but doctors warn against too much optimism . `` We know that he is in a very bad situation for many years , '' Shelef said . Comment: Sharon was a divisive figure in Israeli politics during his time as prime minister .
Doctors showed Ariel Sharon pictures of his family and used other stimuli . Sharon 's brain showed activity , but doctors warn against too much optimism . Comment: Sharon was a divisive figure in Israeli politics during his time as prime minister .