claim: Serotonin prevents neuromodulation.
evidence: Amos Joseph Griffin Purdy -LRB- September 5 , 1825 -- ca 1902 -RRB- was a merchant and political figure in Nova Scotia , Canada .. Nova Scotia. Nova Scotia. He represented Cumberland County in the Nova Scotia House of Assembly from 1867 to 1871 and in 1874 as a Liberal member .. Nova Scotia. Nova Scotia. Nova Scotia House of Assembly. Nova Scotia House of Assembly. Liberal. Liberal Party of Nova Scotia. He was born in Westchester , Cumberland County , Nova Scotia , the son of David Purdy and Mary Griffin , and the grandson of Gabriel Purdy , a United Empire Loyalist .. Nova Scotia. Nova Scotia. United Empire Loyalist. United Empire Loyalist. He was educated at the Sackville Academy .. Sackville. Mount Allison University. In 1855 , he married Elizabeth A. Atkinson .. Purdy served as census commissioner for the province in 1870 .. He was elected to the provincial assembly a second time in 1874 but resigned his seat in March 1875 .