Research by Theme

Collaborative Remembering &

Collective Memory

  • Choi, H.-Y.*, Kensinger, E.A., & Rajaram, S. (in press). Mnemonic transmission, social contagion, and emergence of collective memory: Influence of emotional valence, group structure, and information distribution. Journal of Experimental Psychology: General.
  • Rajaram S., & Maswood R.* (in press). Collaborative Memory: A Selective Review of Data and Theory. In: John H. Byrne (ed.) Learning and Memory: A Comprehensive Reference (2nd edition). Oxford: Academic Press.
  • Rajaram, S. (in press). Collaborative inhibition in group recall: Cognitive principles and implications. Chapter in M. Meade, A. Barnier, P. Van Bergen, C. Harris, & J. Sutton (Eds.), Collaborative Remembering: How Remembering with Others Influences Memory. Oxford University Press.
  • Kensinger, E., Choi, H.-Y.*, Murray, B.*, & Rajaram, S. (2016). How social interactions affect emotional memory accuracy: Evidence from collaborative retrieval and social contagion paradigms. Memory & Cognition, 44, 706–716. View
  • Barber, S. J.*, Harris, C. B.*, & Rajaram, S. (2015). Why two heads apart are better than two heads together: Multiple mechanisms underlie the collaborative inhibition effect in memory. Journal of Experimental Psychology: Learning, Memory, and Cognition, 41, 559-566. View
  • Choi, H.-Y.*, Blumen, H. M.*, Congleton, A. R.*, & Rajaram, S. (2014) The role of group configuration in the social transmission of memory: Evidence from identical and reconfigured groups. Journal of Cognitive Psychology. 26, 65-80. View
  • Congleton, A.R.*, & Rajaram, S. (2014). Collaboration Changes Both the Content and the Structure of Memory: Building the Architecture of Shared Representations. Journal of Experimental Psychology: General. View
  • Barber, S.J.*, Rajaram, S., & Fox, E.B.** (2012). Learning and remembering with others: The key role of retrieval in shaping group recall and collective memory. Social Cognition, 30,121-132. View
  • Rajaram, S. (2011). Collaboration Both Hurts and Helps Memory: A Cognitive Perspective.Current Directions in Psychological Science, 20, 76-81.View
  • Pereira-Pasarin, L*., & Rajaram, S. (2011). Study Repetition and Divided Attention: Effects of Encoding Manipulations on Collaborative Inhibition in Group Recall. Memory & Cognition, 39, 968-976. View
  • Congleton, A.R.* & Rajaram, S. (2011). The influence of learning methods on collaboration: Prior repeated retrieval enhances retrieval organization, abolishes collaborative inhibition, and promotes post-collaborative memory. Journal of Experimental Psychology: General, 140, 535-551. View
  • Rajaram, S., & Pereira-Pasarin, L.* (2010).Collaborative memory: Cognitive research and theory. Perspectives on Psychological Science, 5, 649-663. View
  • Barber, S.*, Rajaram, S., & Aron, A. (2010). When two is too many: Collaborative encoding impairs memory. Memory & Cognition, 38, 255-264.View

Social Transmission of Memory

  • Choi, H.-Y.*, Kensinger, E.A., & Rajaram, S. (in press). Mnemonic transmission, social contagion, and emergence of collective memory: Influence of emotional valence, group structure, and information distribution. Journal of Experimental Psychology: General.
  • Luhmann, C. C., & Rajaram, S. (2015). Memory transmission in small groups and large networks: An agent-based model. Psychological Science. View
  • Barber, S. J., Harris, C. B., & Rajaram, S. (2015). Why two heads apart are better than two heads together: Multiple mechanisms underlie the collaborative inhibition effect in memory. Journal of Experimental Psychology: Learning, Memory, and Cognition,41, 559-566. View
  • Blumen, H. M., Young, K. E., & Rajaram, S. (2014). Optimizing group collaboration to maximize later individual retention. Journal of Applied Research in Memory and Cognition, 3, 244-251. View
  • Choi, H.-Y., Blumen, H. M., Congleton, A. R., & Rajaram, S. (2014) The role of group configuration in the social transmission of memory: Evidence from identical and reconfigured groups. Journal of Cognitive Psychology, 26, 65-80. View
  • Congleton, A.R., & Rajaram, S. (2014). Collaboration changes both the content and the structure of memory: Building the architecture of shared representations. Journal of Experimental Psychology: General, 143, 1570-1584. View

-Conference Proceedings-

  • Luhmann, C. C., & Rajaram, S. (2013). Mnemonic diffusion: An agent-based modeling investigation of collective memory. In M. Knauff, M. Pauen, N. Sebanz, & I. Wachsmuth (Eds.), Proceedings of the 35th Annual Conference of the Cognitive Science Society (pp. 936-941). Austin, TX: Cognitive Science Society.

-Keynote/Invited Talks-

  • Luhmann, C. C. (January, 2015). Social Interactions as Dynamic Learning Environments. Cognitive Brownbag, Yale University, New Haven, CT.
  • Luhmann, C. C. (December, 2014). Adaptive Learning During Strategic Interactions. Presentation at the Stony Brook Center for Behavioral Political Economy, Stony Brook, NY.
  • Rajaram, S. (March, 2014). Memory in a Social Context: How does Collaboration Shape Memory? Keynote address, The North Carolina Cognition Group Conference, Durham, NC.
  • Rajaram, S. (June, 2014). Social Transmission of Memory. Aarhus University, Aarhus, Denmark
  • Rajaram, S. (October, 2015). Social Transmission of Memory: Learning and Remembering in Groups. Invited Departmental Colloquium, Brandeis University, Waltham, MA

-Conference Presentations-

  • Bixter, M. T., Johnson, K. L., Rajaram, S., & Luhmann, C. C. (November, 2015). Socially Transmitted Memory Biases: Influences on Decision Making. Talk presented at the Annual Meeting of the Psychonomic Society, Chicago, IL.
  • Congleton, A., & Rajaram, S. (July, 2015). The Influence of Collaborative Remembering on Varieties of Memory. Paper presented in S. Rajaram & W. Hirst (Organizers), Symposium held at the 11th Annual Conference of the Society for Applied Research in Memory and Cognition, Victoria, Canada.
  • Luhmann, C. C. & Rajaram, S. (2013, November). Social Transmission of Memory: An Agent-Based Modeling Investigation. Poster presented at the 53rd Annual Meeting of the Psychonomic Society, Toronto, Canada.
  • Luhmann, C. C., & Rajaram, S. (2013, August). Mnemonic Diffusion: An Agent-Based Modeling Investigation of Collective Memory. Presentation at the 35th Annual Conference of the Cognitive Science Society, Berlin, Germany.

Emotion & Memory

  • Szekely, A.*, Rajaram, S., & Mohanty, A. (in press). Context Learning for Threat Detection. Cognition and Emotion.
  • Kensinger, E., Choi, H.-Y.*, Murray, B.*, & Rajaram, S. (in press). How social interactions affect emotional memory accuracy: Evidence from collaborative retrieval and social contagion paradigms. Memory & Cognition.
  • Choi, H.-Y.*, Kensinger, E., & Rajaram, S. (2013). Emotional content enhances true but not false memory for categorized stimuli. Memory & Cognition, 41, 403-415.View

-Conference Presentations-

  • Szekely, A.*, Rajaram, S., & Mohanty, A. (May, 2015). Preferential contextual learning for threat detection. Posted presented at the Association for Psychological Science Convention, New York, NY.
  • Szekely, A.*, Rajaram, S., & Mohanty, A. (March, 2015). Contextual Learning and Threat Detection. Posted presented at the Cognitive Neuroscience Society Meeting, New York, NY.
  • Choi, H.-Y.*, Kensinger, E. A., & Rajaram, S. (2011, November). The influence of emotional valence on true and false memory. Poster presented at the Psychonomic Society, 52nd annual meeting, Seattle, WA.

Learning & Education

  • Pociask, S*., & Rajaram, S. (2014). The effects of collaborative practice on statistical problem solving: benefits and boundaries. Journal of Applied Research in Memory and Cognition, 3, 252-260.(view)
  • Fazio, L.K.*, Barber, S.J.*, Rajaram, S., Ornstein, P., & Marsh, E.J. (2013). Creating Illusions of Knowledge: Learning Errors that Contradict Prior Knowledge. Journal of Experimental Psychology: General, 142, 1-5.(view)
  • Congleton, A.R.* & Rajaram, S. (2012). The origin of the interaction between learning history and delay in the testing effect: The roles of processing and retrieval organization. Memory & Cognition, 40, 528 ?539. (view)
  • Congleton, A.R.* & Rajaram, S. (2011). The influence of learning methods on collaboration: Prior repeated retrieval enhances retrieval organization, abolishes collaborative inhibition, and promotes post-collaborative memory. Journal of Experimental Psychology: General, 140, 535-551.(view)
  • Blumen, H.*, & Rajaram, S. (2009). Effects of Repeated Collaborative Retrieval on Individual Memory Vary as a Function of Recall versus Recognition Tasks. Memory, 17, 840-846.(view)
  • Blumen, S.*, & Rajaram, S. (2008). Effects of Group Collaboration and Repeated Retrieval on Individual Recall. Memory, 16, 231-244.(view)
  • Barber, S. J.*, Rajaram, S., & Marsh, E.J. (2008). Fact learning: How information accuracy, delay, and repeated testing change retention and retrieval experience. Memory, 16, 934-946.(view)

Social Memory & Aging

  • Blumen, H. M., Rajaram, S., & Henkel, L. (2013). The applied value of collaborative memory research in aging: Considerations for broadening the scope. Journal of Applied Research in Memory and Cognition, 2, 133-135.(view)
  • Blumen, H. M., Rajaram, S., & Henkel, L. (2013). The applied value of collaborative memory research in aging: Behavioral and neural considerations. Journal of Applied Research in Memory and Cognition, 2, 107-117.(view)
  • Henkel, L. A., & Rajaram, S. (2011). Collaborative Remembering in Older Adults: Age-Invariant Outcomes in the Context of Episodic Recall Deficits. Psychology and Aging, 26, 532-545.(view)

Memory, Consciousness, & Amnesia

  • Verfaellie, M., LaRocque, K.F.*, and Rajaram, S. (2010). Benefits of Immediate Repetition versus Long Study Presentation on Memory in Amnesia. Neuropsychology. 24, 457-464. (view)
  • Verfaellie, M., Rajaram, S., Fossum, K.*, & Williams, L.* (2008). Not all repetition is alike: Different benefits of repetition in amnesia and normal memory. Journal of International Neuropsychological Society, 14, 365-372.(view)
  • Geraci, L.*, & Rajaram, S. (2004). The distinctiveness effect in the absence of conscious recollection: Evidence from conceptual priming. Journal of Memory and Language, 51, 217-230.(view)
  • Hamilton, M.*, & Rajaram, S. (2003). States of awareness across multiple memory tasks: Obtaining a “pure” measure of conscious recollection. Acta Psychologica, 112, 43-69.(view)
  • Geraci, L.* & Rajaram, S. (2002). The orthographic distinctiveness effect on direct and indirect tests of memory: Delineating the awareness and processing requirements. Journal of Memory & Language, 47, 273-291.(view)
  • Rajaram, S., Hamilton, M.*, & Bolton, A. (2002). Distinguishing states of awareness from confidence during retrieval: Evidence from amnesia. Cognitive, Affective, & Behavioral Neuroscience, 2, 227-235.(view)
  • Hamilton, M.*, & Rajaram, S. (2001). The concreteness effect in implicit and explicit memory tests. Journal of Memory and Language, 44, 96-117.(view)
  • Rajaram, S., Srinivas, K., & Travers, S.* (2001). The effects of attention on perceptual implicit memory. Memory & Cognition, 29, 920-930.(view)
  • Rajaram, S. & Coslett, H.B. (2000). New conceptual associative learning in amnesia. A case study. Journal of Memory and Language, 43, 291-315.(view)
  • Rajaram, S., & Coslett, H.B. (2000). Acquisition and transfer of new verbal information in amnesia: retrieval and neuroanatomical constraints. Neuropsychology, 14, 427-455.(view)
  • Rajaram, S., & Geraci, L. * (2000). Conceptual fluency selectively influences knowing. Journal of Experimental Psychology: Learning, Memory, and Cognition, 26, 1070-1074.(view)
  • Srinivas, K., Culp, D.*, & Rajaram, S. (2000). On associations between computers and restaurants: Rapid learning of new associations on a conceptual implicit memory test. Memory & Cognition, 28, 900-906.(view)
  • Holmes, J.B.*, Waters, H.S., & Rajaram, S. (1998) The phenomenology of false memory: Episodic content and confidence. Journal of Experimental Psychology: Learning, Memory, and Cognition, 24, 1026-1040.(view)
  • Rajaram, S. (1998). The effects of conceptual salience and perceptual distinctiveness on consciousness recollection. Psychonomic Bulletin & Review, 5, 71-78.(view)
  • Rajaram, S., Srinivas, K., & Roediger, H.L. (1998). A transfer-appropriate account of context effects in word fragment completion. Journal of Experimental Psychology: Learning, Memory, and Cognition, 24, 993-1004.(view)
  • Rajaram, S. (1997). Basal forebrain amnesia. Neurocase, 3, 405-415.
  • Rajaram, S. (1996). Perceptual effects on remembering: Recollective processes in picture recognition memory. Journal of Experimental Psychology: Learning, Memory, and Cognition, 22, 365-377.(view)
  • Rajaram, S., & Roediger, H.L. (1993). Direct comparison of four implicit memory tests. Journal of Experimental Psychology: Learning, Memory, and Cognition, 19, 765-776.(view)
  • Rajaram, S. (1993). Remembering and knowing: Two means of access to the personal past. Memory & Cognition, 2, 89-102.(view)
  • Srinivas, K., Roediger, H.L., & Rajaram, S. (1992). The role of syllabic and orthographic properties of letter cues in solving word fragments. Memory & Cognition, 20, 219-230.(view)