Publications
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1. Lak A, Okun M, Moss M, Gurnani H, Farrell K, Wells MJ, Bai Reddy C, Kepecs A, Harris KD, Carandini M, Neural basis of learning guided by sensory confidence and reward value. bioRxiv, 2018. 
2. Okun M, Steinmetz NA, Lak A, Dervinis M, Harris KD, Distinct Structure of Cortical Population Activity on Fast and Infraslow Timescales. Cerebral Cortex, 2019.
3. Burgess CP*, Lak A*, Steinmetz NA*, Zatka-Haas P*, Reddy CB, Jacobs EAK, Linden JF, Paton JJ, Ranson A, Schroder S, Soares S, Wells MJ, Wool LE, Harris KD, Carandini M, High-yield methods for accurate two-alternative visual psychophysics in head-fixed mice. Cell Reports, Sep 2017, 2513-2524.
4. Lak A, Nomoto K, Keramati M, Sakagami M, Kepecs A, Midbrain dopamine neurons signal belief in choice accuracy during a perceptual decision. Current Biology, Mar 2017, 27(6):821-832.
5. Lak A, Stauffer WR, Schultz W, Dopamine neurons learn relative chosen value from probabilistic rewards. eLife, Oct 2016, 10.7554/eLife.18044.
6. Stauffer WR, Lak A, Yang A, Borel M, Paulsen O, Boyden E, Schultz W, Dopamine neuron-specific optogenetic stimulation in Rhesus macaques. Cell, Sep 2016; 166 (6) 1564–1571.
7. Okun M, Lak A, Carandini M, Harris KD, Long term recordings with immobile silicon probes in the mouse cortex. PLOS ONE, Mar 2016; 11(3): e151180.
8. Stauffer WR, Lak A, Bossaerts P, Schultz W, Economic choices reveal probability distortion in macaque monkeys. Journal of Neuroscience, Feb 2015; 35 (7): 3146-3154.
9. Lak A, Costa GM, Romberg E, Koulakov A, Mainen ZF, Kepecs A, Orbitofrontal cortex is required for behavioral report of perceptual decision confidence. Neuron, Oct 2014; 84 (1) 190–201.
10. Stauffer WR*, Lak A*, Schultz W, Dopamine reward prediction error responses reflect marginal utility. Current Biology, Nov 2014; 24: 2491-2500.
11. Lak A*, Stauffer WR*, Schultz W, Dopamine prediction error responses integrate subjective value from different reward dimensions. Proceedings of the National Academy of Sciences of the United States of America (PNAS), Feb 2014; 111(6): 2343-8.
12. Omrani M*, Lak A*, Diamond ME, Learning not to feel: reshaping the resolution of tactile perception. Frontiers in Systems Neuroscience, Jul 2013; 4; 7:29.
13. Sperandio I, Lak A, and Goodale MA, Afterimage size is modulated by size-contrast illusions. Journal of Vision, 2012; 12(2): 18, 1–10.
14. Lak A, Arabzadeh E, Harris JA, Diamond ME, Correlated physiological and perceptual effects of noise in a tactile stimulus. Proceedings of the National Academy of Sciences of the United States of America (PNAS), Apr 2010; (17): 7981-6.
15. Lak A, Attention during adaptation weakens negative afterimages of perceptually color-spread surfaces. Canadian Journal of Experimental Psychology, Jun 2008; 62(2): 101-9.
16. Lak A, Arabzadeh E, Diamond ME, Enhanced response of neurons in rat somatosensory cortex to stimuli containing temporal noise. Cerebral Cortex, May 2008; 18(5): 1085-93.

    ​ * indicates joint first authorship.

Reviews and Commentaries

1. Schultz W, Stauffer WR, Lak A, The phasic dopamine signal maturing: from reward via behavioural activation to formal economic utility. Current Opinion in Neurobiology, Apr 2017, 43: 139-148.
2. Stauffer WR, Lak A, Kobayashi S, Schultz W, Components and characteristics of the dopamine reward utility signal. Journal of Comparative Neurology, Jun 2016; 524(8):1699-711.
3. Lak A, Stauffer WR, A role for orbitofrontal neurons in risky decisions. Journal of Neuroscience, Jan 2015; 35 (4) 1340-1342