Describe simultanagnosia / balints
Describe the damage
cant integrate items - can only see things separately
bilateral posterior parietal damage.
Name the three categories of attention
Selective
Divided- attention has a limited capacity which can be divided between tasks
Sustained- if you’re interested in something, you have sustained attention to it
Name the two types of attention
Top down (active)- influenced by pt's own intentions and expectations and bottom up (passive)- stimuli in the world catch our attention
Name the two attentional systems
Ventral fronto-parietal network
Dorsal frontal parietal network
Name three ways to research attention
Cognitive psychology- behavioural studies of healthy participants
Cognitive neuropsychology- explain behaviour of patients with lesions in terms of models from cognitive psychology
Cognitive neuroscience- Neurophysiology, imaging provides link between brain and behaviour using PET, fMRI, ERPs etc
What does the posner cueing test show?
we are 80x faster at spotting an object when there is a cue
80x slower when the cue is wrong
2. what does bilat parietal damage cause
2. balint syndrome
which side do you leave out in neglect
OPPOSITE to lesion
what is extinction
mild form of neglect with a double stimuli