Copgras Delusion

Essay text:

babbling o Cooing child makes random phonemes from all languages o At 6 mths only produce phonemes of language being acquired ? Propositions o The purpose of language is to construct propositions (comprehension) o The smallest unit of meaning that had truth value ? Syntax o By age 4 children learning English can recognize noun-verb-subject syntactic phrases ? Working memory and language o When a node in the LTM network is activated, it appears in the WM (consciousness) o The WM contains activated portions of LTM and form new patterns in WM o The hippocampus and surrounding cortex binds info from other regions together into a new pattern o A requirement of language processing is to temporarily hold mental representations corresponding to the verbal input stream until meaning can be extracted o If the capacity of WM is exceeded, then difficulties in comprehension occur ? Aphasia o An impairment in the ability to understand language o Conduction aphasia- they have lost the ability to repeat sentences ? Result of damage to the phonological loop ? The person can understand simple sentences but when asked to repeat they paraphrase o Broca's aphasia ? Aka non-fluent aphasia ? Person has difficulty producing certain speech sounds ? They have more difficulty in producing function words and inflections than content words ? Anomia o Damage to the visual-auditory connections in the logogen system o Has difficulty naming familiar objects ? Semantic dementia o Effect of localized damage to temporal lobe o Progressive disorder of semantic knowledge o Lose meaningful connections between words o Forget words and their meanings ? Words used most often survive the longest ? Early learning vs...