The problem is that I have to enter text in-between the Part title and the start of the next chapter. The text serves as an introduction to the chapters that follow in this Part. The test might span multiple pages and may have sections of its own which may or may not be numbered.
But when I am trying to write a section the page header shows the last section in the previous part.
I want a way to get rid of the section number in the header for only these sections to see the section title of the current section.
The MWE is as below:
\documentclass[12pt,twoside]{memoir}
\begin{document}
\begin{part}{part 1}
\chapter{chap 1}
\section{section 1}
\end{part}
\begin{part}{part 2}
% Problem : The header of this page shows 1.1 SECTION 1%
\section*{Introduction}
\chapter{chap 2}
\section{section 1}
\end{part}
\end{document}

\markboth{}{}– Johannes_B Jul 16 '16 at 16:49\chapter*{}? – cfr Jul 17 '16 at 01:27\chapter*{}only deals with the first page but subsequent pages have the last chapter in the header or the last section in the header based on odd or even page. – theOne Jul 17 '16 at 06:20\markboth{}{}is a neat trick for handling the problem and as of now I can use this as a workaround. Thanks :D – theOne Jul 17 '16 at 06:22