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A thesis submitted in partial fulfilment of - Queen Margaret University

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ecency and primacy effect, however, as Appendix 5.6 <strong>in</strong>dicates the words most<br />

easily recalled and the ones which appeared most difficult to recall were spread<br />

throughout the four sessions, <strong>in</strong>dicat<strong>in</strong>g that there were no recency or primacy<br />

effects <strong>in</strong> the immediate or delayed recall <strong>of</strong> the new words.<br />

5.18.3.3 Learn<strong>in</strong>g performance <strong>in</strong> relation to learn<strong>in</strong>g assessment tasks<br />

The various assessment tasks are listed <strong>in</strong> Appendix 5.7 <strong>in</strong> descend<strong>in</strong>g order<br />

beg<strong>in</strong>n<strong>in</strong>g with those tasks at which participants performed most successful. The<br />

easiest assessments for participants to correctly perform appeared to be the<br />

listen<strong>in</strong>g and read<strong>in</strong>g recognition <strong>of</strong> the new words and the syllable completion<br />

tasks, both for immediate and delayed assessment tasks. These tasks did not<br />

require spoken or written output by participants and the provision <strong>of</strong> the new<br />

words or part <strong>of</strong> the new words may have facilitated access <strong>of</strong> the correct<br />

<strong>in</strong>formation. These tasks are thought to <strong>in</strong>volve the phonological and<br />

orthographic <strong>in</strong>put lexicons and phonological output lexicon from the cognitive<br />

neuropsychology model. The most difficult tasks appeared to be recall<strong>in</strong>g the<br />

spoken nam<strong>in</strong>g and skills <strong>of</strong> the new words for both immediate and delayed<br />

recall. Participants with severe aphasia would not have been able to score<br />

highly on spoken nam<strong>in</strong>g tasks by the very nature <strong>of</strong> their language impairment.<br />

To demonstrate learn<strong>in</strong>g through this task, participants would have had to<br />

access their semantic system, the pathway from semantics to phonological<br />

output lexicon, phonological output lexicon and phonological output buffer<br />

accord<strong>in</strong>g to the cognitive neuropsychological model. Participants with<br />

impairments throughout this pathway would not have scored well on this task.<br />

As participants could have recalled the skills either <strong>in</strong> spoken or written form,<br />

even those participants with severe spoken aphasia could have demonstrated<br />

this learn<strong>in</strong>g <strong>in</strong> written form. Accord<strong>in</strong>g to the cognitive neuropsychology<br />

framework there were two optional pathways, <strong>in</strong>clud<strong>in</strong>g that for the nam<strong>in</strong>g task<br />

described above and also where this pathway diverges from the phonological<br />

output lexicon to the orthographic output lexicon and graphemic output buffer.<br />

232

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