Biopsychology: Localisation of function of the brain

Question 1

Define localisation

Answer 1

the idea that different areas of the brain are responsible for different functions

Question 2

Outline structure of the brain:

Answer 2

• split into two hemispheres
• outer layer = cerebral cortex 3mm thick
• Each hemisphere split into 4:
  1. Frontal lobe
  2. Parietal lobe
  3. Temporal lobe
  4. Occipital lobe
  There are four areas we must be familiar with:
  1. motor
  2. somatosensory
  3. visual
  4. auditory

Question 3

Motor area:

Answer 3

responsible for movement

located in frontal lobe

Question 4

Somatosensory:

Answer 4

responsible for sensory info

located in parietal lobe

Question 5

Visual:

Answer 5

Responsible for visual info

located in occipital lobe

Question 6

Auditory:

Answer 6

Responsible for analysis of speech/ hearing

located in temporal lobe

Question 7

The two language areas are called

Answer 7

• brocas area

- wernickes area

Question 8

Outline Brocas area

Answer 8

found in left frontal love
responsible for speech production
damage to this area leads to Broca’s aphasia
slow and lack of fluency in speech

Question 9

Outline Wernickes area

Answer 9

found in left temporal lobe
responsible for language comprehension (understanding)
damage results in wernicke aphasia
could speak but produced nonsense words