You can move between recently accessed papers with the backwards and forwards arrow.
If you had added any custom items to your dashboard these will be removed.
You are welcome to re-add custom items to your dashboard by:
Clicking the red Customise this page button
Clicking the Add a block link in the black left-hand menu
Select the block you want to add and it will appear on your dashboard
You can move it around by dragging the crossed arrows
If you want to remove your changes click Reset page to default
Once you are happy with your dashboard layout click Stop customising this page