Biopsychology - language centres (Localisation of Function)

Biopsychology - language centres - Spect Pt 5 - includes evaluation

What are the two language centres of the brain

Broca and Wernickes areas

Where is Brocas area located

Left hemisphere in the Frontal Lobe

Where is Wernickes area located

Left hemisphere in the Temporal Lobe

What is Brocas aphasia

damage to Brocas area causing slow, laborious speech lacking in fluency

When was Brocas area identified and by who

Paul Broca identified area as responsible for speech production in 1880s

Who was Brocas famous case study

Patient ‘Tan’ who could only say the word ‘Tan’

Post mortem conducted after his death showed lesion in the area

When was Wernickes area identified and by who

Kyle Wernicke identified people with no problem producing speech but difficulty understanding speech in 1880s

What is Wernickes Aphasia

people with damage to Wernickes aphasia causes people to produce fluent but but meaningless speech with nonsense words

What is one limitation of this research

Review by Dick and Tremblay (2016) shows 2% of researchers today think language is only in these areas

What research evidence is a limitation of language centres

recent fMRI research has identified ‘language streams’ throughout the brain including in the right hemisphere