Johnson EC, Lee DH, Jones DL, Aronoff JM, Ratnam R (2017). A neural timing code improves speech perception in vocoder simulations of cochlear implant sound coding. Ear & Hearing (Under review).
Johnson EC, Jones DL, Ratnam R (2017). Interval correlations and population coding in a stochastic source coding neuron. PLoS Comput. Biol. (Under revision).
Johnson EC, Jones DL, Ratnam R (2016). A minimum-error, energy-constrained neural code is an instantaneous rate-code. J. Comput. Neurosci. 40:193-206.
Watson PD, Horecka K, Cohen NJ, Ratnam R (2016). A phase-locked loop epilepsy network emulator. Neurocomputing 173:1245-1249.
Jones DL, Johnson EC, Ratnam R (2015). A stimulus-dependent spike threshold is an optimal neural coder. Front. Comput. Neurosci. 9:61.
Jones DL, Jones RL, Ratnam R (2014). Calling dynamics and call synchronization in a local group of unison bout callers. J. Comp. Physiol. A. 200:93-107.
Petacchi A, Kaernbach C, Ratnam R, Bower JM (2011). Increased activation of the human cerebellum during pitch discrimination: A Positron Emission Tomography (PET) study. Hear. Res. 282: 35-48.
Valero MD, Ratnam R (2011). Reliability of distortion product otoacoustic emissions in the common marmoset (Callithrix jacchus). Hear. Res. 282: 265-271.
Tardif SD, Mansfield K, Ratnam R, Ross C, Zielger TE (2011). The marmoset as a model of aging and age-related diseases. ILAR J. 52(1): 54–65.
Leonard WJ, Neal J, Ratnam R (2010). Variation of Type B song in the endangered Golden-cheeked warbler (Dendroica chrysoparia). The Wilson J. Ornithol. 122(4): 777-780.
Jones DL, Ratnam R (2009). Blind location and separation of callers in a natural chorus using a microphone array. J. Acoust. Soc. Am. 126(2): 895-910.
Valero MD, Pasanen EG, McFadden D, Ratnam R (2008). Distortion product otoacoustic emissions in the common marmoset (Callithrix jacchus): Parameter optimization. Hear. Res. 243: 57-68.
Phatak SA, Ratnam R, Wheeler BC, O’Brien Jr. WD, Feng AS (2006). Effect of reflectors on sound source localization with two microphones. J. Audio Eng. Soc. 54(6): 512-524.
Ratnam R, Jones DL, O’Brien Jr. WD (2004). Fast algorithms for blind estimation of reverberation time. IEEE Sig. Proc. Lett. 11(6): 537-540.
Goense JBM, Ratnam R (2003). Continuous detection of weak sensory signals in afferent spike trains: The role of anti-correlated interspike intervals in detection performance. J. Comp. Physiol. A. 189(10): 741-759.
Ratnam R, Jones DL, Wheeler BC, Lansing CL, O’Brien Jr. WD, Feng AS (2003b). Blind estimation of reverberation time J. Acoust. Soc. Am. 114(5): 2877-2892.
Ratnam R, Goense JBM, Nelson ME (2003a). Change-point detection in neuronal spike train activity. Neurocomputing 52-54: 849-855.
Goense JBM, Ratnam R, Nelson ME (2003). Burst firing improves the detection of weak signals in spike trains. Neurocomputing 52-54: 103-108.
Ratnam R, Nelson ME (2000). Non-renewal statistics of electrosensory afferent spike trains: implications for the detection of weak sensory signals. J. Neurosci. 20(17): 6672-6683.
Feng AS, Ratnam R (2000). Neural basis of hearing in real-world situations. Ann. Rev. Psychol. 51: 699-725.
Dhingra AK, Zhang M, Ratnam R, Suri D (1999). A coarse-grained parallel homotopy for mechanism design. Int. J. High. Perform. Comput. Appl. 13: 303-319.
Ratnam R, Feng AS (1998). Detection of auditory signals by frog inferior collicular neurons in the presence of spatially separated noise. J. Neurophysiol. 80: 2848-2859.
Ratnam R, Condon CJ, Feng AS (1996). Neural ensemble coding of target identity in echolocating bats. Biol. Cybern. 75: 153-162.
Weissenstein L, Ratnam R, Anastasio TJ (1996). Vestibular compensation in the horizontal vestibulo-ocular reflex of the goldfish. Behav. Brain Res. 75: 127-137.
Ratnam R, Anastasio TJ (1995). Evidence for a cooperative learning mechanism in the vestibulo-ocular reflex. NeuroReport 6(16): 2129-2133.
Ratnam R, Patwardhan VS (1993). Analyze single and multipass heat exchangers. Chem. Eng. Prog. 89: 85-91.
Ratnam R, Patwardhan VS (1991). Sensitivity analysis for heat exchanger networks. Chem. Eng. Sci. 46: 451-458.
Ratnam R, Viswanathan, K, Mani BP (1985) Use of Andreasen apparatus for size determination of milk powder. Dairy J. (Published while an undergraduate).
Ratnam R, Viswanathan K, Mani BP (1984). Studies on attrition in fluidized beds. J. Pow. & Bulk Sol. Tech. 8: 1-9. (Published while an undergraduate).
Viswanathan K, Ratnam R (1983). An equation to predict the relative velocity between liquid and solid in a hydraulic transportation pipeline. Ind. Chem. Engr. 25(3 & 4): 49-50. (Published while an undergraduate).
Ramachandran BRN, Pinto SAR, Born J, Winkler S, Ratnam R (2017). Measuring Neural, Physiological and Behavioral Effects of Frustration. In: Goh J, Lim C, Leo H. (Eds.) The 17th International Conference on Biomedical Engineering. IFMBE Proceedings, vol 61. Springer, Singapore. DOI: 10.1007/978-981-10-4220-1_9
Winkler S, Zhu Y, Subramanian R, Ng T-T, Ratnam R (2016). Comparison of human and machine performance for copy-move image forgery detection involving similar but genuine objects. IEEE Region 10 Technical Conference: Technologies for Smart Nation (TENCON 2016).
Johnson EC, Jones DL, Ratnam R (2015a). Minimum squared-error, energy-constrained encoding by adaptive threshold models of neurons. Proceedings IEEE International Symposium on Information Theory (ISIT 2015), pp 1337-1341.
Jun DM, Jones DL, Coleman TP, Leonard W, Ratnam R (2012). Practical sensor management for an energy-limited detection system. Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing. (ICASSP 2012), pp. 1641-1644.
Sun R, Paramathayalan V, Ratnam R, Jain S, Morrow D, Sosnoff JJ (2017). Design and development of an automated fall risk assessment system for older adults. In Pak R and McLaughlin A (Eds.), Aging, Technology and Health. New York, Elsevier (In Press).