This is an early version of a poster I have used. It is quite
non-standard but shows some options for placing things and fonts.
Regards, Johan
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\BoxTitle{Introduction}
Experiments investigating the difference between finding something
vaguely famililar and actually recollected may be performed using the
``remember/know'' paradigm. Subjects are required to specify whether
correctly recognized items were explicitly ``remembered'' or merely
familiar, ``known''. In spite of experimental design difficulties, a
number of imaging studies have also been performed (Eldridge, Henson).
One difficulty in designing these imaging experiments is that one
would ideally like the subject to answer to questions at once in the
recognition situation: first, whether they recognize the item and if
they do, second, whether they ``remembered'' it or ``knew'' it. In
the imaging context this is problematic and has been the generator of
some creativity in experimental design. Instead of having the
subjects making two responses to the same stimulus in the same session
(like Eldridge et al) or having them choose between ``remember'',
``know'' or ``neither'' in the recognition situation (like Henson et
al), we collected the hits and fed them back to the subjects in a new
imaging session asking the subjects to state whether the previous
recognition event was one of recollecting or finding familiar, or that
they cannot recall. \par \stopbuffer
\startbuffer[Methods]
\BoxTitle{Methods}
************************Paradigm illustrated**********************
Twenty young and healthy volunteers were scanned while recognizing 80
words (encoded during an anatomical scan) out of 160. One subject was
discarded because of bizarre task-related movement. Three others were
discarded because they had less than five ``know'' events. The words
were presented for two seconds and the gap between them was four
seconds. There were three sessions of 88 scans with a TR of 4.2
seconds. After these three sessions, the subjects' hits were
extracted and two debriefing sessions were constructed containing the
hits, randomly ordered, with 30 percent null events. We sorted hit
events in the recognition sessions according to whether they were
subsequently ``remembered'', ``known'' or ``guessed''.\par \stopbuffer
\startbuffer[DataAnal]
\BoxTitle{Data Analysis}
\kap{EPI} images were realigned, normalized and smoothed to 12mm
\kap{FWHM}. No slice timing correction was performed. For each person,
$t$-contrasts of the \kap{HRF}, as well as its temporal and dispersion
derivatives were estimated. These were used in a second-level
\kap{ANOVA} to estimate the difference between remember and know. \par
\stopbuffer
\startbuffer[Results]
\BoxTitle{Results}
Subjects performed very well on the task. Hits minus false alarms
averaged 0.53. 65 percent of hits were 'remembered', 26 percent were
'known' and nine percent were 'guessed'. The contrast between
'remembered' and 'known' hits at recognition shows in the
lingual/fusiform gyrus on the right and the precuneus on the left.
The contrast between 'remembered' and 'known' hits at debriefing
sessions shows activations also in the precuneus bilaterally and the
middle frontal gyrus on the right.
\par \stopbuffer
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\bTR\bTD[align=left] $n$ \eTD\bTD 19 \eTD\bTD 16 \eTD\eTR
\bTR\bTD Remember \eTD\bTD \eTD\bTD \eTD\eTR
\bTR\bTD Know \eTD\bTD \eTD\bTD \eTD\eTR
\bTR\bTD Guess \eTD\bTD \eTD\bTD \eTD\eTR
\bTR\bTD False alarms \eTD\bTD \eTD\bTD \eTD\eTR
\bTR\bTD Correct rejections \eTD\bTD \eTD\bTD \eTD\eTR
\bTR\bTD Misses \eTD\bTD \eTD\bTD \eTD\eTR
\eTABLE}
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\startbuffer[Discussion]
\BoxTitle{Discussion}
. The 'remembered $>$ known' contrast in the
recognition session
Eldridge et al whereas the corresponding contrast in the debriefing
session appears more similar to the increases to R judgments reported
by Henson et al.\par
\stopbuffer
\startbuffer[References]
\BoxTitle{References}
\tfxx Eldridge, Knowlton, Furmanski, Bookheimer, Engel: Remembering
episodes: a selective role for the hippocampus during
retrieval. 2000. Nat Neurosci 11:1149\par
Henson, Rugg, Shallice, Josephs, Dolan: Recollection and familiarity
in recognition memory: an eventrelated functional magnetic resonance
imaging study. 1999. J Neurosci 19:3962\par
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% Unless I say different ...
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%bottom=\vfil,
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{\switchtobodyfont[56pt] \tfd\bf {\darkred Remember/know
revisited}\crlf
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\tfa Johan Sandblom$^*$,
Håkan Fischer$^\dag$,
Lars Bäckman$^\dag$, % \blank[small] %\\
Jesper Andersson$^*$, \crlf
Karl Magnus Petersson$^*$,
Martin Ingvar$^*$\crlf
\tfxx $^*$MR Research Centre and
$^\dag$Aging Research Centre,
Karolinska Institute, S-171 76 Stockholm, Sweden}
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\stoptext
2006/5/24, Jorge Manuel de Almeida Magalhães <[EMAIL PROTECTED]>:
> Hi
>
> I am trying to making a scientifique poster in Context. I need some
> suggestions,
> foreground an example, to start. Somebody has a nice example to share?
> What is the correct scales for the fonts?
>
> Have a nice day/night
>
> Thanks to all
>
> Jorge
>
> _______________________________________________
> ntg-context mailing list
> ntg-context@ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>
--
Johan Sandblom N8, MRC, Karolinska sjh
t +46851776108 17176 Stockholm
m +46735521477 Sweden
"What is wanted is not the will to believe, but the
will to find out, which is the exact opposite"
- Bertrand Russell
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