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Biographical sketch
1971-1987 Associate Professor Psychophysiology, Free University, Amsterdam
1987-2004 Professor Physiological Psychology, University of Amsterdam
Retired professor since October 2004 (zie hieronder)
Afscheidsrede |
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Research
Electrophysiology of human attention
Cognition and Aging
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Teaching
Pinciples of Cognitive Neuroscience
Neuropsychology and Cognition of Aging
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Publication/Citations 1992-2008
Source: Web of Science
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Post-graduate fellows
Leon Kenemans (1988-1991); Fren Smulders (1991-1993) ; Odin van der Stelt (1997-2001); Guido Band (1997-2000) ; Richard Ridderinkhof (1996-2000)
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Publications
First author (chronological) Kok, A. (1970). The influence of speed and interval variation of serial stimuli on physiologicalchange. Acta Psychologica, 34 , 22-38. Kok, A. (1975). Individual differences in heart rate and skin resistance during information processing. Nederlands Tijdschrift voor de Psychologie, 30 , 255-275. Kok, A. (1978). The effect of warning stimulus novelty on the P300 and components of the contingent negativevariation. Biological Psychology, 6, 219-233. Kok,A., & Jong, H. Looren de (1980). The effect of repetition of infrequent familiarand unfamiliar visual patterns on components of the event-related brainpotential.Biological Psychology, 10 , 167-188. Kok, A. , & Jong, H. Looren de (1980). Components of the event-related potential following degraded and undegraded visual stimuli. Biological Psychology, 11, 117-133. Kok, A., &Rooyakkers,J.A.J. (1985). Comparisonsof event relatedpotentials of young children and adults in a visual recognition and word reading task. Psychophysiology, 22 , 11-23. Kok, A., Vijver, F.R. van de, & Rooyakkers, J.A.J.(1985). Effects of visual field, stimulus degradation and level of practice on event-related potentials of the brain. Psychophysiology, 22, 707-717. Kok, A., Vijver, R.F. van de , & Bouma, A. (1985). Laterality effects of visual field and matching instruction on event-related potentials and reaction time. Brain and Cognition, 4 , 377-387. Kok, A. , & Rooyakkers, H. (1986). Components of the event-related potental to laterally presented pictures and words in a semantic categorization task. Psychophysiology, 23 , 672-683. Kok, A. (1986). Effects of degradation of visual stimuli on components of the event-related-potential (ERP) in Go/Nogo reaction tasks. Biological Psychology, 23 , 21-38. Kok, A. (1986). ERP components related to motor inhibition and motor facilitation in a visual go-nogo task. In: W.C. McCallum, R. Zappoli, & F. Denoth (Eds.), Electroencephalography & Clinical neurophysiology, supplement no. 38: Cerebral psychophysiology:studies in event-related potential (pp. 124-125). Elsevier, Amsterdam. Kok, A. (1988). De psychologische betekenis van hersenpotentialen. Rede uitgesproken bij het aanvaarden van het ambt van hoogleraar in de fysiologische psychologie, Amsterdam, 14 Maart. Sneldruk, Enschedé Kok, A. (1988). Electrofysiologische kenmerken van visuele aandacht in jonge en oude proefpersonen. In: B.G. Deelman & G.Mulder (Eds). Nederlands Psychologisch Onderzoek 3, (pp 33-47). Swets en Zettlinger, Amnsterdam Kok, A. (1988). Overlap between P300 and movement-related-potentials: a response to Verleger. Biological Psychology , 27 , 51-58. Kok,A. (1988).Probability mismatch and template mismatch: A paradox inP300 amplitude?Behavioral and Brain Sciences, 11 (3), 388-389. Kok, A. (1990). Het gebruik van psychofysiologische meetmethoden in het onderzoek naar neuropsychiatrische ziektebeelden. ActaNeuropsychiatrica. Kok, A. (1990). Internal and external control: a two-factor model of amplitudechange of event-related potentials Acta Psychologica ,74, 203-236. Kok, A., Jong, H. Looren de, Woestenburg, J.C., Logman, C.J.C.M., & Rooy, J.C.G.M.van (1987). Learning where to look: electrophysiological and behavioral indices of visualsearch in young and old subjects In: R. Johnson, J.W. Rohrbaugh, & R. Parasuraman (Eds.), Current trends in event-related potential research. EEG Supplement 40, (pp. 204-210). Amsterdam : Elsevier (Biomedical Division). Kok, A., Lorist, M.M.,Cremer, R., & Snel, J. (1994). Age-related differences in mental work capacity: effects of task complexity and stressors on performance. In: J. Snel & R.Cremer (Eds) Work and Aging: A European perspective, (pp 139-161).Taylor and Francis, London . Kok, A., Zeef E.J.,Kenemans, J.L., & Sonke, C. (1995) Age-related decline in visual selective attention functioning: evidence derived from ERP paradigms In: Karmos G., Molnar M., Csépe I. & Desmedt J.E. (Eds). Electroencephalography and Clinical Neurophysiology. Suppl nr 44 (pp. 347-357). Elsevier, Amsterdam Kok, A., Kenemans L.J., Zeef E.J., Lorist, M.M., Ridderinkhof, M.R, & vanderStelt, O. (1996)Selective processes in development and aging: event-related potentialstudies. In: C. Ogura, Y.Koga & M. Shimokochi (Eds). Recent advances inevent-related brain potential research,(pp. 721-732). Elsevier, Amsterdam Kok, A., & Boelhouwer, J. (Eds) (1997). Aandacht, een psychofysiologische benadering. Assen, van Gorcum Kok, A. (1997). Book review: Posner,M.I.Images ofMind.Acta Psychologica. 95, 97-100. Kok, A. (1997). Event-related potential (ERP) reflections of mental resources: a review and synthesis. Biological Psychology, 45, 19-56. Kok, A., & Kramer, A. (1997). Preface. Biological Psychology, 45,1-4. Kok, A. (1997). ERP reflecties van mentale inspanning. In: Kok,A. & Boelhouwer, J. (Eds). Aandacht, een psychofysiologische benadering (pp. 119-163). Assen, van Gorcum. Kok, A., & Talsma, D. (1997). Aging and inhibition: multiple inhibitory systems. In: G.J.M. van Boxtel & K.B.E. Böcker (Eds).Brain and Behavior. Past, present and future. (pp. 93-104). Tilburg , Tilburg University Press. Kok, A., & Talsma, D. (1999). Aging and inhibition: multiple inhibitory systems. In: M. Falkenstein, J. Hohnsbein and P. Ullsperger. (Eds.) Cognitivechangesdue to aging and fatigue as revealed in Electrical Brain Activity, (pp. 100-111). Berlin ,BAUA. Kok, A. (1999). Varieties of Inhibition: manifestations in cognition, event-related potentials and aging. Acta Psychologica, 101, 129-158. Kok, A. (2000). Age-related changesin involuntary and voluntary attention as reflected in components of the event-related potential (ERP). Biological Psychology, 54, 107-143. Kok, A. (2001) On the utility of P3 amplitude as a measure of processing capacity. Psychophysiology, 38, 557-577. Kok, A., Ramautar, J.R., De Ruiter, M.B., Band, G.P.H., & Ridderinkhof, K.R. (2004). ERP componentsassociatedwith successfulandunsuccessful stopping in a stop-signal paradigm. Psychophysiology, 42, 9-20. Kok, A. (2004) The aging homunculus: the decline of selective attention and executive control processes with normal aging. In: I. Reinvang, M.W., Greenlee & M. Hermann (Eds). The Cognitive Neuroscience of IndividualDifferences(pp 225-241). Hanse Studien. Hanse Institute fur Wissenshaft Bremen. Kok, A. (2004). Het Hiërarchisch Brein. Inleiding tot de Cognitieve Neurowetenschap.Van Gorcum Assen ISBN 90 232 3977 6 (p. 344) Kok, A., Ridderinkhof, J.R., & Ullsperger, M.(2006). The control of attention and action. Brain Research, 1105, 1-6. Second author (alphabetical) Bakker, D.J., Licht, R. , Kok, A., & Bouma, A. (1980). Cortical responses to word reading by right- and left-eared normal and reading disturbed children. Journal of Clinical Neuropsychology , 2 , 1-12. Band, G.P.H., & Kok, A. (2000). Age effects on the response monitoring in a mental-rotation task. Biological Psychology,51, 201-221 Barkhof, E., Elton. M., Lindeboom, J., Tas, M.W., Schmidt, W.E., Hommes, O.R., Polman, C.H, Kok, A., & Valk, J. (1998). Functional correlates of callosal atrophy in relapsing-remitting muiltiple sclerosis patients. A preliminary MRI study. J. Neurol. 245,153-158. Brunia, C.H.M.,Gaillard, A.W.K., & Kok, A. (1990). Psychophysiological Brain Research. (Two volumes). Tilburg University Press. Proceedings research papers EPIX conference Noordwijk. Cremer, R., Keuss, P., & Kok, A. (1990). Age related effects of conglomerate noise on visual information processing. In: J.A. Sergeant & R.J. Takens(Eds) Series on “Europeanperspectives in Psychology”, vol 2, (pp. 349-369). JohnWiley and Sons, New York . Cremer, R., Kok,A., Zeef. E., & Keuss, P.(1996). Age-related effects of different types of noise and stimulus quality: an event-related potential (ERP) study. Journal of Psychophysiology, 10, 239-251. Heslenfeld D.J., Kenemans, J.L., Kok, A. & Molenaar, P.C.M. (1997) Electrical brain sources to relevant and deviant visual stimuli. In: Heinze, H.J., Mangun,G.R. & Münte, T.F. (Eds). Mapping cognition in time and space: Combining EEG, MEG with functional imaging. Heslenfeld, D.J., Kenemans, J.L., Kok, A, & Molenaar, P.C.M.(1997). Feature processing and attention in the human visual system:an overview.Biological Psychology, 45, 183-215. Heslenfeld, D.J., Kenemans, J.L., Kok, A., & Molenaar, P.C.M. (1996). Brain mechanisms of feature processing. In: C. Ogura, Y. Koga & M. Shimokochi (Eds). Recent advances in event-related brain potential research, (pp. 308-313). Elsevier, Amsterdam Jong H. Looren de, Kok, A., Woestenburg, J.C., Logman, C.J.C.M., & Rooy, J.C.G.M. van (1988). Learning where to look: electrophysiological and behavioral indices of visual search in young and oldadults. Biological Psychology , 26 , 277-298. Jong, H. Looren de , Kok, A.,& Rooy, J.C.G.M. van (1988). Early and late selection in young and old adults: an ERP study. Psychophysiology, 25 (6), 657-671. Jong, H. Looren de, Kok, A., & Rooy, J.C.G.M. van (1989). Stimulus probability andmotor response in young an old subjects: an ERP study. Biological Psychology, 29, 125-148 Kenemans, J. L., Kok, A., & Smulders, F. T. Y. (1993). Event-related potentials to conjunctions of spatial frequency and orientation as a function of stimulus parameters and response requirements. Electroencephal. clin. Neurophysiol., 88: 51-63. Kenemans,J.L., Smulders, F.T.Y & Kok, A. (1995). Selective processing of 2-dimensionalstimuli inyoung and old subjects: electrophysiological analysis. Psychophysiology, 32, 108-120. Licht, R., Bakker,D.J., Kok, A., & Bouma, A. (1988). The development of lateral Event-Related Potentials (ERPs) related to word naming: a four year longitudinal study. Neuropsychologia,26, 327-340.Licht,R., Bakker, D.J., Kok, A., &Bouma, A, (1992). Grade-related changes in event-related potentials(ERPs) in primary schoolchildren: Differences between two reading tasks. Journal of Clinical and Experimental Neuropsychology, 14, 193-210. Loewy, D.H., Campbell , K.B., de Lugt, D.R. de, Elton, M. & Kok, A. (2000). The mismatch negativity during natural sleep: intensity deviants. Clinical Neurophysiology, 11, 863-872. Lorist, M., Snel, J., & Kok, A. (1994). Influence of caffeine on information processing stages in well rested and fatigued subjects. Psychopharmacology, 113, 411-421. Lorist, M.M., Snel, J, Mulder, G. & Kok, A. (1995) Aging, cafeine and information processing: An event-related potentials analysis. Electroencephalography and clinical Neurophysiology, 96, 453-467. Lorist, M.M., Snel, J., Kok, A. & Mulder, G.(1994). Influence of caffeine on selective attention in well-rested and fatigued subjects. Psychophysiology, 31, 525-534. Lorist, M.M., Snel, J., Kok, A. & Mulder, G. (1996). Acute effects of caffeine on selective attention and visual search processes. Psychophysiology, 33, 354-361. Molenaar, P.C.M.,Molen. M. van der & Kok, A. (1988). Neurometrics of cognitive development with dynamic topographicmethods. In: F.J. Maarse & L.J.M. Maarse (Eds). Computers in Psychology: Methods, instrumentation and psychodiagnostics, (pp. 48-56). Swets & Zeitlinger, Lisse, Nieuwenhuis, S., Ridderinkhof, K.R., Blom, J., Band, G.P.H., & Kok, A.(2001). Error-relatedbrain potentialsare differentially related to awareness of response errors: Evidence from an antisaccade task. Psychophysiology, 38, 752-760. Nieuwenhuis, S., Ridderinkhof, K.R., deJong, R., Kok, A. & van der Molen, M.W. (2000). Inhibitory inefficiency and failures of intention activation: age-related decline in the control of saccadic eye-movements. Psychology andAging, 15, 635-647. Nieuwenhuis, S., Ridderinkhof, K.R., Talsma, D., Coles, M.G.H., Holroyd. C., Kok,A. & van der Molen, M.W.(2002). A computational account of altered error processing in older age: Dopamine and the error-related negativity. Cognitive, Affective and Behavioural Neuroscience, 2, 19-36. Orlebeke,J.F., Kok, A., & Zeilemaker, C.W. (1989). Disinhibition and the processing of auditory stimulus intensity: an ERP-study. Person. Individ. Diff., 10, 445-451. Polich, J. & Kok, A. (1995). Cognitive and biological determinants of P300: An integrative review. Biological Psychology, 41, 103-146. Ramautar, J.R., Kok, A., & Ridderinkhof, K.R. (2004). Effects of stop-signal probability in the Stop-Signal Paradigm: the N2/P3 complex further validated. Brain and Cognition, 56, 234-252. Ramautar, J.R., Kok, A. & Ridderinkhof, K.R. (2004). When the brain stops: event-related brain potentials indicate the timing of successful and unsuccessful stopping in the stop-signal paradigm. In: M. Ullsperger & M. Falkenstein (Eds), Errors, Conflicts, and the Brain. Current Opinions on Performance Monitoring, (p.104-111). Leipzig : MPI of Cognitive Neuroscience Ramautar, J.R., Slagter,H.A., Kok. A., and Ridderinkhof, K.R. (2006). Probability effects in the stop-signal paradigm: The insula and the significance of failed inhibition. Brain Research, 1105,143-154. Ramautar,J.R., Kok, A., & Ridderinkhof, K.R. (2006).Effectsof stop-signal modality of N2/P3 complex elicited in the stop-signal paradigm. Biological Psychology, 72, 96-109 Ruiter M.B. de, Kok, A. & Schoot M. van der(1998). Effectsof inter- and intramodal selective attention to non-spatial visual stimuli: an event-related potentials analysis. Biological Psychology,49, 269-294.Ruiter, de M.B., Phaf, R.H., Veltman, D.J., Kok, A &vanDijck, R. (2003). Attention as a characteristic of nonclinical dissociation: an event-related potentials study.Neuroimage, 19, 376-390. Slagter, H.A, Kok, A., Mol. N & Kenemans, J.L. (2005). Spatio-temporal dynamics of top-down control: Directing attention to location and/orcolor as revealed by ERPs and source modeling. Cognitive Brain Research, 22, 333-348. Slagter, H.A., Kok, A., Mol. N., Talsma, D. & Kenemans, J.L. (2005).Determining what is relevant: An ERP study of spatial and non-spatial attentionalcontrol. Psychophysiology, 42, 428-439. Slagter, H.A., Weissman, D.H., Giesbrecht, B. Kenemans, J.L., Mangun, G.R., Kok, A., Woldorff, M.G. (2006). Brain regions involved in endogenous preparatory set-shifting as revealed byfMRI. Cognitive and Affective Behavioral Neuroscience, 6, 175-189.
Slagter, H.A., Giesbrecht, G., Kok, A., Weissman, D.H., Kenemans, J.L., Woldorff, M.G., & Mangun, G.R. (2007). fMRI evidence for both generalized and specialized components of attentional control. Brain Research, 1177, 90-112
Smulders F.T.Y., Kok, A., Kenemans, J.L & Bashore, T.R. (1995) The temporal selectivity of additive factor effects on the reaction process revealed in ERPcomponent latencies. Acta Psychologica, 90, 97-109. Smulders, F.T.Y., Kenemans, J.L., Jonkman, L.M. & Kok, A. (1997). The effects of sleep loss on task performance and the electroencephalogram in young and elderly subjects. Biological Psychology, 45, 217-239. Smulders, F.T.Y., Kenemans,J.L.,& Kok, A. (1994). A comparison of different methods for estimating single-trial P300 latencies. Electroencephal.Clin. Neurophysiol., 92, 107-114. Smulders, F.T.Y.,Kenemans, J.L. & Kok, A. (1996). The effects of taskconditions on measures of the mean onset latency of the LRP depend on the scoring method.Psychophysiology, 33, 194-205 Smulders, F.T.Y.,Kenemans, J.L., Schmidt, W.F. & Kok, A, (1999). Effects of task complexity in young and old adults: reaction timeandP3latency are notalways dissociated. Psychophysiology, 36, 118-125. Stelt, O. van der Gunning, W.B., Snel , J. & Kok, A. (1998). Event-related potential during visual selective attention in children of alcoholics. Alcoholism: Clinical and Experimental Research, 22, 1871-1889. Stelt, O.van der, Kok, A., Smulders, F.T.Y., Snel, J. & Gunning, B. (1998).Cerebral event-related potentials associated with selective attention to color: developmental changes from childhood tot adulthood. Psychophysiology, 35, 227-239. Stelt, O. van der, Snel, J. & Gunning, B, Zeef. E., & Kok, A. (1997). Children of alcoholics: attention, information processing and event-related potentials. Acta Pediatrica, Suppl. 4040, 4-6 Stelt, O. van der, Geesken, R.H.J., Gunning,W. B., Snel, J. & Kok, A. (1998). P3 scalp topography to target and novel visual stimuli in children of alcoholics. Alcohol, 15, 119-136. Stelt, O. van der, Gunning, B., Snel, A., & Kok, A. (1997). No electrocortical evidence of automaticmismatch dysfunction in children of alcoholics. Alcoholism: clinical and experimental research, 21, 569-575. Stelt, O., Molen, van der M.W., Gunning, B., & Kok, A. (2001). Neuroelectric signs of selective attention to color in boys with attention-deficit hyperactivity disorder. Cognitive Brain Research, 12, 245-264. Swart, J.H. de, Kok, A., & Das-Smaal, E.A. (1981).P300and uncertainty reduction in a concept-identification task. Psychophysiology, 18, 619-629. Talsma, D., & Kok, A. (2001). Nonspatial intermodal attention is mediated by sensorybrain areas Psychophysiology, 38, 736-751. Talsma, D.,& Kok, A. (2002). Intermodal spatial attention differs between vision and audition: an event-related potential analysis.Psychophysiology, 39, 689-706. Talsma, D. Slagter, H. A., Nieuwenhuis, S. Hage, J., & Kok, A. (2005). The orientingofvisuospatial attention: An event-related brain potential study. Cognitive Brain Research, 25, 117-129. Talsma, D., Kok,A., & Ridderinkhof, K. R. (2006). Selective Attention to spatial and non-spatial stimuli is affected differentially by age: Effects on event-related brain potentials and performance data. International Journal of Psychophysiology, 62, 249-261. Talsma, D., Kok, A., Slagter, H., & Cipriani, G. (2008) Attentional orienting across the sensory modalities. Brain and Cognition, 66, 1-10 Tieges,D., Ridderinkhof, K.R., Snel, J., & Kok, A. (2004). Caffeine strengthens acti on monitoring: evidence from the error-related negativity. Cognitive Brain Research, 21, 87-93 Tieges, Z, Kok, A., Snel, J., Wijnen, J.G., Lorist M.M., & Ridderinkhof, K.R. (2006). Caffeine improves anticipatory processes in task switching. Biological Psychology, 73, 101-113. Tieges,Z., Snel, J., Kok, A., Plat, N.R., & Ridderinkhof, J.R. (2007) Caffeine improves anticipatory control processes: Evidence from a cued task-switching paradigm. Psychophysiology, 44, 561-578.
Tieges, Z., Snel, J., Kok, A., & Ridderinkhof, J.R. (2009). Caffeine does not modulate inhibitory control. Brainand Cognition ,69, 316-327.
Van der Schoot, M., Smulders, F.T.Y., Los,S.A., & Kok, A. (2003). Effects of mixed versus blocked design on stimulus evaluation .Combining underadditive effects. Perceptual Motor Skills, 97, 45-56. Van de Vijver, F.R., & Kok, A. (1984). Hersenpotentialen en hemisferische asymmetrie. NederlandsTijdschrift voor de Psychologie, 39 , 19-32. Van deVijver, F.R., Kok, A., Bakker, D.J., &Bouma, A. (1984). Lateralization of ERPcomponents during verbal dichotic information processing. Psychophysiology, 21, 123-134. Waterman, D., Woestenburg, J.C., Elton, M., Hofman, W., &Kok, A.(1992). Removal of ocular artifacts from the REMsleep EEG. Sleep, 15. 371-375 Waterman, D., Elton, M., Hofman, W., Woestenburg, J.C., & Kok, A. (1993). EEG spectral power analysis of phasic and tonic REM sleep in young and older male subjects. Journal of Sleep research, 2, 8-12. Winter, O., Kok, A., Kenemans, J.L., & Elton, M. (1995).Auditory event-related potentials to deviant stimuli during drowsiness and stage 2 sleep. Electroencephal. Clin. Neurophysiol., 96, 398-412. Zeef, E.J., & Kok, A. Age-related differences in the timing of stimulus and response processes duringvisual selective attention: performance and psychophysiological analyses. Psychophysiology, 1993, 30: 138-151. Zeef, E.J., Kok, A., & Jong H. Looren de (1990). Cognitive aging from a psychophysiological perspective. In: W. Koops , & H. Soppe(Eds). DevelopmentalPsychology behind the dikes, (pp. 73-87). Eburon, Delft. Zeef, E.J., Sonke C.J., Kok, A., Buiten, M.M., & Kenemans, J.L. (1996). Perceptual factors affecting age-related differences in focused attention: performance andpsychophysiological analysis. Psychophysiology, 33, 555-565.
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Hobbies
Underwater photography has been one of myfavourite holiday occupations in the last 30 years. It involves the photography ofnatural underwater environments (see link below). After my retirement, I felt it was time to make a boyhood fantasy come true. In April 2008 I obtained my single-engine pilot licence .
FlickR photostream |
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