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This study investigates sentence processing in Standard Arabic (SA) by examining subject- and object-extracted relative clauses (SRCs and ORCs) through eye tracking. We test memory- and expectation-based theories of processing difficulty, and whether good-enough or noisy-channel processing leads to misinterpretations in ORCs. Our results find increased processing difficulty in ORCs, supporting expectation-based theories; however, this processing difficulty is not localized to the disambiguating region (relative clause verb) as predicted, but rather at the integration of the second noun phrase (relative clause NP). The findings support goodenough/noisy-channel processing theories, suggesting that readers may accept a noisy SRC interpretation of an ORC, and thus bypass integration costs at the RC NP. 

This study investigates sentence processing in Standard Arabic (SA) by examining subject- and object-extracted relative clauses (SRCs and ORCs) through eye tracking. We test memory- and expectation-based theories of processing difficulty, and whether good-enough or noisy-channel processing leads to misinterpretations in ORCs. Our results find increased processing difficulty in ORCs, supporting expectation-based theories; however, this processing difficulty is not localized to the disambiguating region (relative clause verb) as predicted, but rather at the integration of the second noun phrase (relative clause NP). The findings support goodenough/noisy-channel processing theories, suggesting that readers may accept a noisy SRC interpretation of an ORC, and thus bypass integration costs at the RC NP. 

ABSTRACT We report the detection of the far-infrared (FIR) fine-structure line of singly ionized nitrogen, [N ii] 205 $$\mu$$m , within the peak epoch of galaxy assembly, from a strongly lensed galaxy, hereafter ‘The Red Radio Ring’; the RRR, at z = 2.55. We combine new observations of the ground-state and mid-J transitions of CO (Jup = 1, 5, 8), and the FIR spectral energy distribution (SED), to explore the multiphase interstellar medium (ISM) properties of the RRR. All line profiles suggest that the H ii regions, traced by [N ii] 205 $$\mu$$m , and the (diffuse and dense) molecular gas, traced by CO, are cospatial when averaged over kpc-sized regions. Using its mid-IR-to-millimetre (mm) SED, we derive a non-negligible dust attenuation of the [N ii] 205 $$\mu$$m line emission. Assuming a uniform dust screen approximation results a mean molecular gas column density >1024 cm−2, with a molecular gas-to-dust mass ratio of 100. It is clear that dust attenuation corrections should be accounted for when studying FIR fine-structure lines in such systems. The attenuation corrected ratio of $$L_{\rm N\,{\small II}205} / L_{\rm IR(8\!-\!1000\, \mu m)} = 2.7 \times 10^{-4}$$ is consistent with the dispersion of local and z > 4 SFGs. We find that the lower limit, [N ii] 205 $$\mu$$m -based star formation rate (SFR) is less than the IR-derived SFR by a factor of 4. Finally, the dust SED, CO line SED, and $$L_{\rm N\,{\small II}205}$$ line-to-IR luminosity ratio of the RRR is consistent with a starburst-powered ISM.