semantic representation of language Flashcards
the chinese room problem
can translate to other symbols > still arbitrary and don’t understand meaning
when given pictorial stimuli - makes sense
theories of how language meaning is mentally represented
amodal symbol system/hypothesis
embodied cognition/perception symbol theory
amodal symbol system
experience transduced into abstract symbols
- predicts language is processed in a central processing unit
problem with amodal symbol system
- symbols not different from eachother
- symbol grounding problem
- no rule saying what symbol should be used for what object
symbol grounding problem
symbols not grounded in anything = no meaning
no constraint to force it to refer to a particular things
embodied cognition theory
mental representations are different experiences with object
different senses represented in different brain areas
lots of peripheral system supporting it
predicts language interacts with perception and action
benefit of embodied cognition theory
address symbol grounding problem
- physical constraint - if image in mind and real life = similar > match
reading vs sensory perception study
sentence - picture verification task
(Ps presented sentences then pics, asked if pic in sentence)
2 sentences (john put pen in cup/drawer)
2 pen orientations (vertical/horizontal)
faster response when match
- preactivation of particular neuron - priming
supports embodied
amodal would predict would make no difference
visual-shape paradigm
egg in a box = raw
egg in a pan = cooked
faster when match
visual - colour paradigm
steak in butchers = red
steak on plate = brown
faster when match
spatial location paradigm
faster when hat above cowboy above boots
than random
reading vs body movements study
Ps read sentence describing action then must perform action
sentences = open/close drawer
action = yes above or yes below
faster response when match
- preactivation of particular neuron - priming
supports embodied
amodal would predict would make no difference
reading vs body movements - BRAIN
part of brain activated when read action words = part of motor cortex corresponding to it (fMRI)
distributed in brain - supporting embodied
TMS - reading vs body movement BRAIN
single pulse TMS administered and measure muscles using MEP
stimulation to different areas of motor cortex = different depending on action word read
after reading about hand/foot - MEP smaller in that area
as engages hand/foot system - interfering with MEP
reading and multimodal experience
read short narratives
coded change in information
found different changes involve different brain areas