24
Hemodynamic Neuroimaging
Lexical/semantic
processing tasks:
• No L1/L2 differences in
activation patterns
(Chee et al 1999; Illes et al 1999; Klein
et al 1999; Pillai et al 2003)
• Minimal L1/L2
differences (likely reflecting articulation, retrieval)
( Klein et al 1995; Chee et al 2001; De
Blesser et al 2003)
• Greater activation in procedural memory structures (left BA
44)
in L2 than L1 - but only in higher proficiency L2 learners
in L2 than L1 - but only in higher proficiency L2 learners
(Wartenburger et al
2003, Exp 2; Ruschemeyer et al 2005; Opitz & Friederuci, 2002)
• Artificial language learning, within-subjects
(Opitz and
Friederici, 2002)
• low-proficiency: medial and lateral temporal
activation
• high-proficiency: activation in left BA
44
Second Language
Sentence (syntactic)
processing tasks:
• Greater activation in
declarative memory structures in L2 than L1 – especially in lower proficiency L2 learners
(Perani et al 1996; Perani et al 1998, Exp 1; Dehaene et al 1997; Opitz & Friederuci, 2002; Wartenburger et al 2003; Exp 1)