Language development – nature or nurture and do the two interact?

Here is an important article by Dorothy Bishop about what determines language development.

http://digest.bps.org.uk/2015/07/why-words-get-stuck-on-tip-of-your.html?utm_source=BPS_Lyris_email&utm_medium=email&utm_campaign=[rd]+=?UTF-8?B?VGhlIExhdGVzdCBQc3ljaG9sb2d5IFJlc2VhcmNoIA==?=+=?UTF-8?B?4oCTIERpZ2VzdGVk?=&m=1