Document Actions

Publications

Book chapters

  • Shepherd AJ. Chapter VI. Models of cortical function in migraine: Can psychophysical studies distinguish between them? A review of the evidence for interictal cortical hyper- and hypo-excitability. In Laura B Clarke (ed.) (2007) Migraine Disorders Research Trends. Nova Science Publishers Inc. pp.145-164.

Journal articles

  • 2015
    • Carey D, Rosen S, Krishnan S, Pearce MT, Shepherd A, Aydelott J, Dick F. Generality and specificity in the effects of musical experience on perception and cognition. Cognition, 2015; 137: 81-105.
  • 2014
    • Tibber MS, Kelly MG, Jansari A, Dakin SC, Shepherd AJ. An inability to exclude visual noise in migraine. Investigative Ophthalmology and Visual Science, 2014; 55: 2539-2546.
    • Salvaia J, Elias S, Shepherd AJ. Symptoms of visual discomfort from automobile lights and their correlation with headache in night-time taxi drivers. Lighting Research and Technology, 2014; 46: 354-363.
  • 2013
    • Shepherd AJ, Hine TJ, Beaumont HM. Colour and spatial frequency are related to visual pattern sensitivity in migraine. Headache 2013; 53: 1087-1103.
  • 2012
    • Shepherd AJ, Beaumont HM, Hine TJ. Motion processing deficits in migraine are related to contrast sensitivity. Cephalalgia 2012; 32: 554-570.
  • 2011
    • Shepherd AJ, Wyatt G, Tibber MS. Visual metacontrast masking in migraine. Cephalalgia 2011; 31: 346-356.
  • 2010
    • Shepherd, AJ. Visual stimuli, light and lighting are common triggers of migraine and headache. Journal of Light and Visual Environment 2010; 34, 94-100.
  • 2009
  • 2008
    • Joly-Mascheroni RM, Senju A, Shepherd AJ. Dogs catch human yawns. Biology Letters 2008; 4: 446-448.
    • Shepherd AJ, Wyatt G. Changes in induced hues at low luminance and following dark adaptation suggest rod-cone interactions may differ for luminance increments and decrements. Visual Neuroscience 2008; 25: 387-394.
  • 2007
    • Siniatchkin M., Moeller F., Shepherd A.J., Siebner H. and Stephani U. Altered cortical visual processing in individuals with a spreading photoparoxysmal EEG response. European Journal of Neuroscience 2007; 26: 529-536.
    • Siniatchkin M, Groppa S, Jerosch B, Muhle H, Kurth C, Shepherd AJ, Siebner H, Stephani U. Spreading photoparoxysmal EEG response is associated with an abnormal cortical excitability pattern. Brain 2007; 130: 78-87.
  • 2006
    • Tibber MS, Guedes A, Shepherd AJ. Orientation discrimination and contrast detection thresholds in migraine for cardinal and oblique angles. Investigative Ophthalmology and Visual Science 2006; 47: 5599-5604.
    • Tibber MS, Shepherd AJ. Transient tritanopia in migraine: Evidence for a large-field retinal abnormality in blue-yellow opponent pathways. Investigative Ophthalmology and Visual Science 2006; 47: 5125-5131.
    • Harle DE, Shepherd AJ, Evans BJW. Visual stimuli are common triggers of migraine and are associated with pattern glare. Headache 2006; 46: 1431-1440.
    • Shepherd AJ. Local and global motion after-effects are both enhanced in migraine, and the underlying mechanisms differ across cortical areas. Brain 2006; 129: 1833-1843.
    • Shepherd AJ. Colour vision but not visual attention is altered in migraine. Headache 2006; 46: 1-11.
  • 2005
    • Shepherd AJ. Colour vision in migraine: selective deficits for S-cone discriminations. Cephalalgia 2005; 25: 412-423.
  • 2002
    • Shepherd AJ, Palmer JE, Davis G. Increased visual after-effects in migraine following pattern adaptation extend to simultaneous tilt illusion. Spatial Vision 2002; 16: 33-43.
  • 2001
    • Shepherd AJ. Increased visual after-effects following pattern adaptation in migraine: a lack of intracortical excitation? Brain 2001; 124: 2310-2318.
    • Davis G, Welch VL, Holmes A, Shepherd AJ. Can attention select only a fixed number of objects at a time? Perception 2001; 30: 1227-1248.
  • 2000
    • Shepherd AJ. Visual contrast processing in migraine. Cephalalgia 2000; 20: 865-880.
    • Davis G, Driver J, Pavani F and Shepherd A. Reappraising the apparent costs of attending to two separate visual objects. Vision Research 2000; 40: 1323-1332.
  • 1999
    • Shepherd AJ. Remodelling colour contrast: implications for visual processing and colour representation. Vision Research 1999; 39: 1329-1345.
  • 1997
    • Shepherd AJ. Calibrating screens for continuous colour displays. Spatial Vision 1997; 11: 57-74.
    • Shepherd AJ. A vector model of colour contrast in a cone excitation colour space. Perception 1997; 26: 455-470.
  • 1995
    • Shepherd AJ. Subjective reactions to daylight in rooms, invited discussion. Lighting Research and Technology 1995; 27: p. 44.
  • 1992
    • Shepherd AJ, Julian WG and Purcell AT. Measuring appearance: parameters indicated from gloom studies. Lighting Research and Technology 1992; 24: 203-214.
    • Shepherd AJ. Coloured shadows described in a cone contrast space. Ophthalmic and Physiological Optics 1992; 12: 220-224.
  • 1989
    • Shepherd AJ, Julian WG and Purcell AT. Gloom as a psychophysical phenomenon. Lighting Research and Technology 1989; 21: 89-97.
    • Siviy S, Kritikos A, Atrens DM and Shepherd AJ. Effects of norepinephrine infused in the paraventricular hypothalamus on energy expenditure in the rat. Brain Research 1989; 487: 79-88.

Conference proceedings

  • Shepherd AJ. Visual stimuli, light and lighting are common triggers of migraine and headache. Proceedings of the 6th Lux Europa, Bangkok, 2009, pp.7-11.
  • Wyatt G, Shepherd AJ, Tibber MS. Visual masking in migraine. (Proceedings of the 17th Anglo-Dutch Migraine Association meeting) Headache and Migraine 2008 edition (in press).
  • Tibber MS, Guedes A, Shepherd AJ. Orientation discrimination and contrast detection thresholds in migraine for cardinal and oblique angles. (Proceedings of the 15th Anglo-Dutch Migraine Association meeting) Headache and Migraine 2007 edition (in press).
  • Shepherd AJ. Local and global motion after-effects in migraine. (Proceedings of the 14th Anglo-Dutch Migraine Association meeting). Headache and Migraine 9 2006: 171-181.
  • Shepherd AJ. Colour sensitivity in migraine assessed by visual search: are there selective differences for cardinal colour directions? (Proceedings of the 11th Anglo-Dutch Migraine Association meeting) Headache and Migraine 2003: 19-32.
  • Shepherd AJ. Adaptation in the visual system in migraineurs and controls. (Proceedings of the 10th Anglo-Dutch Migraine Association meeting) Headache and Migraine 2002: 145-159.
  • Shepherd AJ. Colour discrimination in migraineurs. (Proceedings of the 7th Anglo-Dutch Migraine Association meeting) Headache and Migraine 7 1999: 23-35.
  • Julian WG, Shepherd AJ and Purcell AT. Directions for future studies of the gloom effect. Proc CIE 22nd Session 1991 vol.1 pp. 89-92.
  • Shepherd AJ, Julian WG and Purcell AT. Lightness, brightness and gloom in interior lighting. CIBSE National Lighting Conference, Cambridge 1990 pp. 73-86.
  • Shepherd AJ, Julian WG and Purcell AT. Surface luminances and gloom. Proc. VI Lux Europa Congress, Budapest 1989 Vol. 1 pp. 31-40.
  • Shepherd AJ, Julian WG and Purcell AT. Gloom in buildings. Proc. 34th IES National Convention, Sydney 1988 pp. 67-72.

Published abstracts

  • Wilkinson F, Shepherd A, Karanovic O et al. Proposed visual screening measures for migraine research. Conference Information: 14th Congress of the International Headache Society, 10-13 September 2009, Philadelphia PA. Source: Cephalalgia Vol. 29, pp. 130-130, published 2009.
  • Jonas A, Reich AL, Shepherd A, Siniatchkin M. Peri-ictal changes of cortical excitability in paediatric migraine. Cephalalgia 2007; 27: 638-638.
  • Shepherd AJ. Storage of stationary and dynamic motion aftereffects: adaptation mechanisms differ across cortical areas. Perception 2006; 35 (Suppl): 216-217.
  • Tibber MS, Shepherd AJ. The oblique effect in migraine. Perception 2006; 35 (Suppl): 130.
  • Tibber MS, Shepherd AJ. Retinal abnormalities contribute to S-cone selective deficits in migraine. Perception 2006; 35 (Suppl.): 427-428.
  • Siniatchkin M, Groppa S, Jerosch B, Muhle H, Shepherd A, Stephani U, Siebner H. Excitatory and inhibitory mechanisms of photosensitivity. Epilepsia 2006; 47(Suppl): 20.
  • Shepherd AJ. Visual adaptation in migraine and non-headache control groups: local and global motion aftereffects (MAE) are pronounced in migraine, and both exhibit storage. Cephalalgia 2005; 25: 1014.
  • Tibber MS and Shepherd, AJ. Evidence for precortical, potentially retinal-based, abnormalities of the visual system in migraine. Cephalalgia 2005; 25: 1013.
  • Shepherd AJ. Cortical function in migraine: what can performance on visual tasks reveal? Cephalalgia 2003; 23: 752-753.
  • Kritikos A, Siviy S, Shepherd AJ and Atrens DM. Thalamic lesions and sensory neglect in the rat. Neuroscience Letters, suppl. 1988; 30: 88

Dr Alex Shepherd