Browse by Current Cardiff authors

Powell, Anna L., Nelson, Andrew, Hindley, Emma, Davies, Moira, Aggleton, John P. and Vann, Seralynne D. 2017. The rat retrosplenial cortex as a link for frontal functions: a lesion analysis. Behavioural Brain Research 10.1016/j.bbr.2017.08.010

Powell, Anna, Vann, Seralynne Denise, Olarte-Sanchez, Cristian, Kinnavane, Lisa, Davies, Moira, Amin, Eman, Aggleton, John Patrick and Nelson, Andrew 2017. The retrosplenial cortex and object recency memory in the rat. European Journal of Neuroscience 45 (11) , pp. 1451-1464. 10.1111/ejn.13577 Item availability restricted.

Christiansen, Kat, Metzler-Baddeley, Claudia, Parker, Greg, Muhlert, Nils, Jones, Derek K., Aggleton, John P. and Vann, Seralynne D. 2016. Topographic separation of fornical fibers associated with the anterior and posterior hippocampus in the human brain: an MRI-diffusion study. Brain and Behavior 7 (1) 10.1002/brb3.604

Nelson, Andrew John Dudley and Vann, Seralynne Denise 2016. The importance of mammillary body efferents for recency memory: towards a better understanding of diencephalic amnesia. Brain Structure and Function 10.1007/s00429-016-1330-x

O'Sullivan, Michael and Vann, Seralynne D. 2016. Amyloid imaging and Alzheimer's disease: the unsolved cases. Brain: A Journal of Neurology 139 (9) , pp. 2342-2344. 10.1093/brain/aww166

Frizzati, Aura, Milczarek, Michal, Sengpiel, Frank, Thomas, Kerrie, Dillingham, Christopher and Vann, Seralynne Denise 2016. Comparable reduction in ZIF268 levels and cytochrome oxidase activity in the retrosplenial cortex following mammillothalamic tract lesions. Neuroscience 330 , pp. 39-49. 10.1016/j.neuroscience.2016.05.030

Christiansen, Kat, Dillingham, Christopher M., Wright, Nicholas F., Saunders, Richard C., Vann, Seralynne D. and Aggleton, John P. 2016. Complementary subicular pathways to the anterior thalamic nuclei and mammillary bodies in the rat and macaque monkey brain. European Journal of Neuroscience 43 (8) , pp. 1044-1061. 10.1111/ejn.13208

Christiansen, Kat, Aggleton, John Patrick, Parker, Greg, O'Sullivan, Michael, Vann, Seralynne Denise and Metzler-Baddeley, Claudia 2016. The status of the precommissural and postcommissural fornix in normal ageing and mild cognitive impairment: an MRI tractography study. Neuroimage 130 , pp. 35-47. 10.1016/j.neuroimage.2015.12.055

Cen, Danlu, Rushton, Simon K. and Vann, Seralynne Denise 2015. Can where we are tell us where to go? The role of positional cues in visual guidance of human walking. Journal of Vision 15 (12) , 1328. 10.1167/15.12.1328

Dillingham, Christopher Mark, Erichsen, Jonathan Thor, O'Mara, Shane M., Aggleton, John Patrick and Vann, Seralynne Denise 2015. Fornical and non-fornical projections from the rat hippocampal formation to the anterior thalamic nuclei. Hippocampus 25 (9) , pp. 977-992. 10.1002/hipo.22421

Jankowski, M. M., Passecker, Johannes, Nural, Islam Md, Vann, Seralynne Denise, Erichsen, Jonathan Thor, Aggleton, John Patrick and O'Mara, Shane M. 2015. Evidence for spatially-responsive neurons in the rostral thalamus. Frontiers in Behavioral Neuroscience , 256. 10.3389/fnbeh.2015.00256

Dillingham, Christopher Mark, Holmes, Joshua D., Wright, Nicholas F., Erichsen, Jonathan Thor, Aggleton, John Patrick and Vann, Seralynne Denise 2015. Calcium-binding protein immunoreactivity in Gudden's tegmental nuclei and the hippocampal formation: differential co-localization in neurons projecting to the mammillary bodies. Frontiers in Neuroanatomy 9 , 103. 10.3389/fnana.2015.00103

Dillingham, Christopher Mark, Frizzati, Aura, Nelson, Andrew John Dudley and Vann, Seralynne Denise 2015. How do mammillary body inputs contribute to anterior thalamic function? Neuroscience & Biobehavioral Reviews 54 , pp. 108-119. 10.1016/j.neubiorev.2014.07.025

Nelson, Andrew John Dudley, Powell, Anna, Holmes, Joshua D., Vann, Seralynne Denise and Aggleton, John Patrick 2015. What does spatial alternation tell us about retrosplenial cortex function? Frontiers in Behavioral Neuroscience 9 , 126. 10.3389/fnbeh.2015.00126

Vann, Seralynne Denise and Nelson, Andrew John Dudley 2015. The mammillary bodies and memory. Progress in Brain Research 219 , pp. 163-185. 10.1016/bs.pbr.2015.03.006

Wright, Nicholas Fraser, Vann, Seralynne Denise, Aggleton, John Patrick and Nelson, Andrew John Dudley 2015. A critical role for the anterior thalamus in directing attention to task-relevant stimuli. Journal of Neuroscience 35 (14) , pp. 5480-5488. 10.1523/JNEUROSCI.4945-14.2015

Nelson, Andrew John Dudley, Hindley, Emma, Pearce, John M., Vann, Seralynne Denise and Aggleton, John Patrick 2015. The effect of retrosplenial cortex lesions in rats on incidental and active spatial learning. Frontiers in Behavioral Neuroscience 9 , 11. 10.3389/fnbeh.2015.00011

Vann, Seralynne Denise and Nelson, Andrew John Dudley 2015. The mammillary bodies and memory: more than a hippocampal relay. In: O'Mara, Shane and Tsanov, Marian eds. Progress in Brain Research, The Connected Hippocampus, Elsevier, pp. 163-185.

Tsanov, M., Chah, E., Noor, M. S., Egan, C., Reilly, R. B., Aggleton, John Patrick, Erichsen, Jonathan Thor, Vann, Seralynne Denise and O'Mara, S. M. 2014. The irregular firing properties of thalamic head direction cells mediate turn-specific modulation of the directional tuning curve. Journal of Neurophysiology 112 (9) , pp. 2316-2331. 10.1152/jn.00583.2013

Jankowski, Maciej M., Islam, Md Nurul, Wright, Nicholas Fraser, Vann, Seralynne Denise, Erichsen, Jonathan Thor, Aggleton, John P. and O'Mara, Shane M. 2014. Nucleus reuniens of the thalamus contains head direction cells. eLife 3 , e03075. 10.7554/eLife.03075

Hindley, Emma, Nelson, Andrew John Dudley, Aggleton, John Patrick and Vann, Seralynne Denise 2014. The rat retrosplenial cortex is required when visual cues are used flexibly to determine location. Behavioural Brain Research 263 , pp. 98-107. 10.1016/j.bbr.2014.01.028

Hindley, Emma, Nelson, Andrew John Dudley, Aggleton, John Patrick and Vann, Seralynne Denise 2014. Dysgranular retrosplenial cortex lesions in rats disrupt cross-modal object recognition. Learning & Memory 21 (3) , pp. 171-179. 10.1101/lm.032516.113

Nelson, Andrew John Dudley, Hindley, Emma Louise, Haddon, Josephine Elizabeth, Vann, Seralynne Denise and Aggleton, John Patrick 2014. A novel role for the rat retrosplenial cortex in cognitive control. Learning & Memory 21 (2) , pp. 90-97. 10.1101/lm.032136.113

Aggleton, John Patrick, Saunders, Richard C., Wright, Nicholas Fraser and Vann, Seralynne Denise 2014. The origin of projections from the posterior cingulate and retrosplenial cortices to the anterior, medial dorsal and laterodorsal thalamic nuclei of macaque monkeys. European Journal of Neuroscience 39 (1) , pp. 107-123. 10.1111/ejn.12389

Nelson, Andrew John Dudley and Vann, Seralynne Denise 2014. Mammilliothalamic tract lesions disrupt tests of visuo-spatial memory. Behavioral Neuroscience 128 (4) , pp. 494-503. 10.1037/bne0000001

Wright, Nicholas Fraser, Vann, Seralynne Denise, Erichsen, Jonathan Thor, O'Mara, Shane M. and Aggleton, John Patrick 2013. Segregation of parallel inputs to the anteromedial and anteroventral thalamic nuclei of the rat. Journal of Comparative Neurology 521 (13) , pp. 2966-2986. 10.1002/cne.23325

Jankowski, Maciej M., Ronnqvist, Kim C., Tsanov, Marian, Vann, Seralynne Denise, Wright, Nicholas Fraser, Erichsen, Jonathan Thor, Aggleton, John Patrick and O'Mara, Shane M. 2013. The anterior thalamus provides a subcortical circuit supporting memory and spatial navigation. Frontiers in Systems Neuroscience 7 , 45. 10.3389/fnsys.2013.00045

Vann, Seralynne Denise 2013. Dismantling the Papez circuit for memory in rats. eLife 2 , e00736. 10.7554/eLife.00736

Aggleton, John Patrick, Wright, Nicholas Fraser, Vann, Seralynne Denise and Saunders, Richard C. 2012. Medial temporal lobe projections to the retrosplenial cortex of the macaque monkey brain. Hippocampus 22 (9) , pp. 1883-1900. 10.1002/hipo.22024

Saunders, Richard C., Vann, Seralynne Denise and Aggleton, John Patrick 2012. Projections from Gudden's tegmental nuclei to the mammillary body region in the cynomolgus monkey (Macaca fascicularis). Journal of Comparative Neurology 520 (6) , pp. 1128-1145. 10.1002/cne.22740

Vann, Seralynne Denise, Erichsen, Jonathan Thor, O'Mara, Shane M. and Aggleton, John Patrick 2011. Selective disconnection of the hippocampal formation projections to the mammillary bodies produces only mild deficits on spatial memory tasks: Implications for fornix function. Hippocampus 21 (9) , pp. 945-957. 10.1002/hipo.20796

Tsanov, Marian, Chah, Ehsan, Vann, Seralynne Denise, Reilly, Richard B., Erichsen, Jonathan Thor, Aggleton, John Patrick and O'Mara, Shane M. 2011. Theta-modulated head direction cells in the rat anterior thalamus. The Journal of Neuroscience 31 (26) , pp. 9489-9502. 10.1523/JNEUROSCI.0353-11.2011

Tsanov, Marian, Vann, Seralynne Denise, Erichsen, Jonathan Thor, Wright, Nicholas Fraser, Aggleton, John Patrick and O'Mara, Shane M. 2011. Differential regulation of synaptic plasticity of the hippocampal and the hypothalamic inputs to the anterior thalamus. Hippocampus 21 (1) , pp. 1-8. 10.1002/hipo.20749

Tsanov, M., Wright, Nicholas Fraser, Vann, Seralynne Denise, Erichsen, Jonathan Thor, Aggleton, John Patrick and O'Mara, S. M. 2011. Hippocampal inputs mediate theta-related plasticity in anterior thalamus. Neuroscience 187 , pp. 52-62. 10.1016/j.neuroscience.2011.03.055

Tsanov, M., Chah, E., Wright, Nicholas Fraser, Vann, Seralynne Denise, Reilly, R., Erichsen, Jonathan Thor, Aggleton, John Patrick and O'Mara, S. M. 2011. Oscillatory entrainment of thalamic neurons by theta rhythm in freely moving rats. Journal of Neurophysiology 105 (1) , pp. 4-17. 10.1152/jn.00771.2010

Vann, Seralynne Denise and Albasser, Mathieu M. 2011. Hippocampus and neocortex: recognition and spatial memory. Current Opinion in Neurobiology 21 (3) , pp. 440-445. 10.1016/j.conb.2011.02.002

Vann, Seralynne Denise 2011. A role for the head-direction system in geometric learning. Behavioural Brain Research 224 (1) , pp. 201-206. 10.1016/j.bbr.2011.05.033

Wright, Nicholas Fraser, Erichsen, Jonathan Thor, Vann, Seralynne Denise, O'Mara, Shane M. and Aggleton, John Patrick 2010. Parallel but separate inputs from limbic cortices to the mammillary bodies and anterior thalamic nuclei in the rat. The Journal of Comparative Neurology 518 (12) , pp. 2334-2354. 10.1002/cne.22336

Aggleton, John Patrick, O'Mara, Shane M., Vann, Seralynne Denise, Wright, Nicholas Fraser, Tsanov, Marian and Erichsen, Jonathan Thor 2010. Hippocampal-anterior thalamic pathways for memory: uncovering a network of direct and indirect actions. European Journal of Neuroscience 31 (12) , pp. 2292-2307. 10.1111/j.1460-9568.2010.07251.x

Albasser, Mathieu M., Chapman, Rosanna J., Amin, Eman, Iordanova, Mihaela D., Vann, Seralynne Denise and Aggleton, John Patrick 2010. New behavioral protocols to extend our knowledge of rodent object recognition memory. Learning & Memory 17 (8) , pp. 407-419. 10.1101/lm.1879610

Pothuizen, Helena H. J., Davies, Moira, Aggleton, John Patrick and Vann, Seralynne Denise 2010. Effects of selective granular retrosplenial cortex lesions on spatial working memory in rats. Behavioural Brain Research 208 (2) , pp. 566-575. 10.1016/j.bbr.2010.01.001

Vann, Seralynne Denise 2010. Re-evaluating the role of the mammillary bodies in memory. Neuropsychologia 48 (8) , pp. 2316-2327. 10.1016/j.neuropsychologia.2009.10.019

Vann, Seralynne Denise and Albasser, Mathieu M. 2009. Hippocampal, retrosplenial, and prefrontal hypoactivity in a model of diencephalic amnesia: Evidence towards an interdependent subcortical-cortical memory network. Hippocampus 19 (11) , pp. 1090-1102. 10.1002/hipo.20574

Vann, Seralynne Denise 2009. Gudden's ventral tegmental nucleus is vital for memory: re-evaluating diencephalic inputs for amnesia. Brain 132 (9) , pp. 2372-2384. 10.1093/brain/awp175

Denby, C. E., Vann, Seralynne Denise, Tsivilis, D., Aggleton, John Patrick, Montaldi, D., Roberts, N. and Mayes, A. R. 2009. The frequency and extent of mammillary body atrophy associated with surgical removal of a colloid cyst. American Journal of Neuroradiology 30 (4) , pp. 736-743. 10.3174/ajnr.A1424

Vann, Seralynne Denise, Tsivilis, Dimitris, Denby, Christine E., Quamme, Joel R., Yonelinas, Andrew P., Aggleton, John Patrick, Montaldi, Daniela and Mayes, Andrew R. 2009. Impaired recollection but spared familiarity in patients with extended hippocampal system damage revealed by 3 convergent methods. Proceedings of the National Academy of Sciences 106 (13) , pp. 5442-5447. 10.1073/pnas.0812097106

Vann, Seralynne Denise, Aggleton, John Patrick and Maguire, Eleanor A. 2009. What does the retrosplenial cortex do? Nature Reviews Neuroscience 10 (11) , pp. 792-802. 10.1038/nrn2733

Pothuizen, Helena H. J., Davies, Moira, Albasser, Mathieu M., Aggleton, John Patrick and Vann, Seralynne Denise 2009. Granular and dysgranular retrosplenial cortices provide qualitatively different contributions to spatial working memory: evidence from immediate-early gene imaging in rats. European Journal of Neuroscience 30 (5) , pp. 877-888. 10.1111/j.1460-9568.2009.06881.x

Aggleton, John Patrick, Poirier, Guillaume L., Aggleton, Hugh S., Vann, Seralynne Denise and Pearce, John M. 2009. Lesions of the fornix and anterior thalamic nuclei dissociate different aspects of hippocampal-dependent spatial learning: Implications for the neural basis of scene learning. Behavioral Neuroscience 123 (3) , pp. 504-519. 10.1037/a0015404

Tsivilis, Dimitris, Vann, Seralynne Denise, Denby, Christine, Roberts, Neil, Mayes, Andrew R., Montaldi, Daniela and Aggleton, John Patrick 2008. A disproportionate role for the fornix and mammillary bodies in recall versus recognition memory. Nature Neuroscience 11 (7) , pp. 834-842. 10.1038/nn.2149

Pothuizen, H. H. J., Aggleton, John Patrick and Vann, Seralynne Denise 2008. Do rats with retrosplenial cortex lesions lack direction? European Journal Of Neuroscience 28 (12) , pp. 2486-2498. 10.1111/j.1460-9568.2008.06550.x

Vann, Seralynne Denise, Denby, C., Love, S., Montaldi, D., Renowden, S. and Coakharn, H. B. 2008. Memory loss resulting from fornix and septal damage: Impaired supra-span recall but preserved recognition over a 24-hour delay. Neuropsychology 22 (5) , pp. 658-668. 10.1037/a0012542

Denby, C., Vann, Seralynne Denise, Tsivilis, D., Mayes, A., Montaldi, D. and Aggleton, John Patrick 2008. Neuroimaging of the fornix: present and future. Neuroscience Imaging 2 (3) , pp. 135-148.

Denby, C., Vann, Seralynne Denise, Tsivilis, D., Aggleton, John Patrick, Mayes, A., Sluming, V., Roberts, N and Montaldi, D 2008. MRI measurement of fornix pathology: evidence of extensive fornix damage following surgical removal of colloid cysts in the third ventricle. Neuroscience Imaging 2 (3) , pp. 109-125.

Aggleton, John Patrick, Saunders, Richard C. and Vann, Seralynne Denise 2008. Using hippocampal amnesia to understand the neural basis of diencephalic amnesia. In: Dere, E., Easton, A., Nadel, L. and Huston, J. P. eds. Handbook of Episodic Memory, Vol. 18. Amsterdam: Elsevier, pp. 503-519. (10.1016/S1569-7339(08)00227-0)

Vann, Seralynne Denise, Saunders, Richard C. and Aggleton, John Patrick 2007. Distinct, parallel pathways link the medial mammillary bodies to the anterior thalamus in macaque monkeys. European Journal of Neuroscience 26 (6) , pp. 1575-1586. 10.1111/j.1460-9568.2007.05773.x

Kumaran, Dharshan, Hassabis, Demis, Spiers, Hugo J., Vann, Seralynne Denise, Vargha-Khadem, Faraneh and Maguire, Eleanor A. 2007. Impaired spatial and non-spatial configural learning in patients with hippocampal pathology. Neuropsychologia 45 (12) , pp. 2699-2711. 10.1016/j.neuropsychologia.2007.04.007

Hassabis, D., Kumaran, D., Vann, Seralynne Denise and Maguire, E. A. 2007. Patients with hippocampal amnesia cannot imagine new experiences. Proceedings of the National Academy of Sciences 104 (5) , pp. 1726-1731. 10.1073/pnas.0610561104

Vann, Seralynne Denise 2005. Transient spatial deficit associated with bilateral lesions of the lateral mammillary nuclei. European Journal of Neuroscience 21 (3) , pp. 820-824. 10.1111/j.1460-9568.2005.03896.x

Vann, Seralynne Denise and Aggleton, John Patrick 2005. Selective Dysgranular Retrosplenial Cortex Lesions in Rats Disrupt Allocentric Performance of the Radial-Arm Maze Task. Behavioral Neuroscience 119 (6) , pp. 1682-1686. 10.1037/0735-7044.119.6.1682

Aggleton, John Patrick, Vann, Seralynne Denise and Saunders, Richard C. 2005. Projections from the hippocampal region to the mammillary bodies in macaque monkeys. European Journal of Neuroscience 22 (10) , pp. 2519-2530. 10.1111/j.1460-9568.2005.04450.x

Aggleton, John Patrick, Vann, Seralynne Denise, Denby, Christine, Dix, Sophie, Mayes, Andrew R., Roberts, Neil and Yonelinas, Andrew P. 2005. Sparing of the familiarity component of recognition memory in a patient with hippocampal pathology. Neuropsychologia 43 (12) , pp. 1810-1823. 10.1016/j.neuropsychologia.2005.01.019

Vann, Seralynne Denise and Aggleton, John Patrick 2004. The mammillary bodies: Two memory systems in one? Nature reviews neuroscience 5 (1) , pp. 35-44. 10.1038/nrn1299

Aggleton, John Patrick and Vann, Seralynne Denise 2004. Testing the importance of the retrosplenial navigation system: lesion size but not strain matters: a reply to Harker and Whishaw. Neuroscience & Biobehavioral Reviews 28 (5) , pp. 525-531. 10.1016/j.neubiorev.2004.08.003

Vann, Seralynne Denise and Aggleton, John Patrick 2004. Testing the importance of the retrosplenial guidance system: effects of different sized retrosplenial cortex lesions on heading direction and spatial working memory. Behavioural Brain Research 155 (1) , pp. 97-108. 10.1016/j.bbr.2004.04.005

Jenkins, Trisha A., Vann, Seralynne Denise, Amin, Eman and Aggleton, John Patrick 2004. Anterior thalamic lesions stop immediate early gene activation in selective laminae of the retrosplenial cortex: evidence of covert pathology in rats? European Journal of Neuroscience 19 (12) , pp. 3291-3304. 10.1111/j.0953-816X.2004.03421.x

Aggleton, John Patrick, Jenkins, T., Amin, Eman and Vann, Seralynne Denise 2003. Cortical and limbic interactions in memory processes. European Neuropsychopharmacology 13 (S4) , S135-S135. 10.1016/S0924-977X(03)91656-7

Vann, Seralynne Denise and Aggleton, John Patrick 2003. Evidence of a spatial encoding deficit in rats with lesions of the mammillary bodies or mammillothalamic tract. Journal of Neuroscience 23 (8) , pp. 3506-3514.

Vann, Seralynne Denise, Honey, Robert Colin and Aggleton, John Patrick 2003. Lesions of the mammillothalamic tract impair the acquisition of spatial but not nonspatial contextual conditional discriminations. European Journal of Neuroscience 18 (8) , pp. 2413-2416. 10.1046/j.1460-9568.2003.02959.x

Zheng, Y., Pearce, John M., Vann, Seralynne Denise, Good, Mark Andrew, Jenkins, T. A., Smith, P. F. and Aggleton, John Patrick 2003. Using Idiothetic Cues to Swim a Path With a Fixed Trajectory and Distance: Necessary Involvement of the Hippocampus, but Not the Retrosplenial Cortex. Behavioral Neuroscience 117 (6) , pp. 1363-1377. 10.1037/0735-7044.117.6.1363

Vann, Seralynne Denise, Wilton, L. A. K., Muir, Janice L. and Aggleton, John Patrick 2003. Testing the importance of the caudal retrosplenial cortex for spatial memory in rats. Behavioural Brain Research 140 (1-2) , pp. 107-118. 10.1016/S0166-4328(02)00274-7

Machin, P., Vann, Seralynne Denise, Muir, Janice L. and Aggleton, John Patrick 2002. Neurotoxic lesions of the rat perirhinal cortex fail to disrupt the acquisition of performance of tests of allocentric spatial memory. Behavioral Neuroscience 116 (2) , pp. 232-240. 10.1037//0735-7044.116.2.232

Vann, Seralynne Denise and Aggleton, John Patrick 2002. Extensive cytotoxic lesions of the rat retrosplenial cortex revel consistent deficits on tasks that tax allocentric spatial memory. Behavioral Neuroscience 116 (1) , pp. 85-94. 10.1037//0735-7044.116.1.85

Ward-Robinson, Jasper, Wilton, L. A. K., Muir, Janice L., Honey, Robert Colin, Vann, Seralynne Denise and Aggleton, John Patrick 2002. Sensory preconditioning in rats with lesions of the anterior thalamic nuclei: evidence for intact nonspatial 'relational' processing. Behavioural Brain Research 133 (2) , pp. 125-133. 10.1016/S0166-4328(01)00465-X

Vann, Seralynne Denise, Brown, M. W., Erichsen, Jonathan Thor and Aggleton, John Patrick 2000. Using Fos imaging in the rat to reveal the anatomical extent of the disruptive effects of fornix lesions. Journal of Neuroscience 20 (21) , pp. 8144-8152.

Vann, Seralynne Denise, Brown, M. W., Erichsen, Jonathan Thor and Aggleton, John Patrick 2000. Fos imaging reveals differential patterns of hippocampal and parahippocampal subfield activation in rats in response to different spatial memory tests. Journal of Neuroscience 20 (7) , pp. 2711-2718.

Vann, Seralynne Denise, Brown, M. W. and Aggleton, John Patrick 2000. Fos expression in the rostral thalamic nuclei and associated cortical regions in response to different spatial memory tests. Neuroscience 101 (4) , pp. 983-991. 10.1016/S0306-4522(00)00288-8

Aggleton, John Patrick, Vann, Seralynne Denise, Oswald, Catherine J. P. and Good, Mark Andrew 2000. Identifying cortical inputs to the rat hippocampus that subserve allocentric spatial processes: a simple problem with a complex answer. Hippocampus 10 (4) , pp. 466-474. 10.1002/1098-1063(2000)10:4<466::AID-HIPO13>3.0.CO;2-Y