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Leong BQZ, Hussain Ismail AM, Wong HK, Estudillo AJ. The heterogeneity of holistic processing profiles in developmental prosopagnosia: holistic processing is impaired but not absent. Cogn Neuropsychol 2024:1-19. [PMID: 38953598 DOI: 10.1080/02643294.2024.2371384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 06/16/2024] [Indexed: 07/04/2024]
Abstract
Although it is generally assumed that face recognition relies on holistic processing, whether face recognition deficits observed in Developmental Prosopagnosics (DPs) can be explained by impaired holistic processing is currently under debate. The mixed findings from past studies could be the consequence of DP's heterogeneous deficit nature and the use of different measures of holistic processing-the inversion, part-whole, and composite tasks-which showed a poor association among each other. The present study aimed to gain further insight into the role of holistic processing in DPs. Groups of DPs and neurotypicals completed three tests measuring holistic face processing and non-face objects (i.e., Navon task). At a group level, DPs showed (1) diminished, but not absent, inversion and part-whole effects, (2) comparable magnitudes of the composite face effect and (3) global precedence effect in the Navon task. However, single-case analyses showed that these holistic processing deficits in DPs are heterogeneous.
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Affiliation(s)
- Bryan Qi Zheng Leong
- School of Psychology, University of Nottingham Malaysia, Semenyih, Malaysia
- Department of Psychology, Bournemouth University, Poole, UK
| | | | - Hoo Keat Wong
- School of Psychology, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Alejandro J Estudillo
- School of Psychology, University of Nottingham Malaysia, Semenyih, Malaysia
- Department of Psychology, Bournemouth University, Poole, UK
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Nørkær E, Gobbo S, Roald T, Starrfelt R. Disentangling developmental prosopagnosia: A scoping review of terms, tools and topics. Cortex 2024; 176:161-193. [PMID: 38795651 DOI: 10.1016/j.cortex.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/08/2024] [Accepted: 04/30/2024] [Indexed: 05/28/2024]
Abstract
The goal of this preregistered scoping review is to create an overview of the research on developmental prosopagnosia (DP). Through analysis of all empirical studies of DP in adults, we investigate 1) how DP is conceptualized and defined, 2) how individuals are classified with DP and 3) which aspects of DP are investigated in the literature. We reviewed 224 peer-reviewed studies of DP. Our analysis of the literature reveals that while DP is predominantly defined as a lifelong face recognition impairment in the absence of acquired brain injury and intellectual/cognitive problems, there is far from consensus on the specifics of the definition with some studies emphasizing e.g., deficits in face perception, discrimination and/or matching as core characteristics of DP. These differences in DP definitions is further reflected in the vast heterogeneity in classification procedures. Only about half of the included studies explicitly state how they classify individuals with DP, and these studies adopt 40 different assessment tools. The two most frequently studied aspects of DP are the role of holistic processing and the specificity of face processing, and alongside a substantial body of neuroimaging studies of DP, this paints a picture of a research field whose scientific interests and aims are rooted in cognitive neuropsychology and neuroscience. We argue that these roots - alongside the heterogeneity in DP definition and classification - may have limited the scope and interest of DP research unnecessarily, and we point to new avenues of research for the field.
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Affiliation(s)
- Erling Nørkær
- Department of Psychology, University of Copenhagen, Denmark.
| | - Silvia Gobbo
- Department of Psychology, Università degli Studi di Milano-Bicocca, Italy
| | - Tone Roald
- Department of Psychology, University of Copenhagen, Denmark
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Burns EJ, Gaunt E, Kidane B, Hunter L, Pulford J. A new approach to diagnosing and researching developmental prosopagnosia: Excluded cases are impaired too. Behav Res Methods 2023; 55:4291-4314. [PMID: 36459376 PMCID: PMC9718472 DOI: 10.3758/s13428-022-02017-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2022] [Indexed: 12/04/2022]
Abstract
Developmental prosopagnosia is characterized by severe, lifelong difficulties when recognizing facial identity. Unfortunately, the most common diagnostic assessment (Cambridge Face Memory Test) misses 50-65% of individuals who believe that they have this condition. This results in such excluded cases' absence from scientific knowledge, effect sizes of impairment potentially overestimated, treatment efficacy underrated, and may elicit in them a negative experience of research. To estimate their symptomology and group-level impairments in face processing, we recruited a large cohort who believes that they have prosopagnosia. Matching prior reports, 56% did not meet criteria on the Cambridge Face Memory Test. However, the severity of their prosopagnosia symptoms and holistic perception deficits were comparable to those who did meet criteria. Excluded cases also exhibited face perception and memory impairments that were roughly one standard deviation below neurotypical norms, indicating the presence of objective problems. As the prosopagnosia index correctly classified virtually every case, we propose it should be the primary method for providing a diagnosis, prior to subtype categorization. We present researchers with a plan on how they can analyze these excluded prosopagnosia cases in their future work without negatively impacting their traditional findings. We anticipate such inclusion will enhance scientific knowledge, more accurately estimate effect sizes of impairments and treatments, and identify commonalities and distinctions between these different forms of prosopagnosia. Owing to their atypicalities in visual perception, we recommend that the prosopagnosia index should be used to screen out potential prosopagnosia cases from broader vision research.
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Affiliation(s)
- Edwin J Burns
- Department of Psychology, Edge Hill University, Ormskirk, UK.
| | - Elizabeth Gaunt
- Department of Psychology, Edge Hill University, Ormskirk, UK
| | - Betiel Kidane
- Department of Psychology, Edge Hill University, Ormskirk, UK
| | - Lucy Hunter
- Department of Psychology, Edge Hill University, Ormskirk, UK
| | - Jaylea Pulford
- Department of Psychology, Edge Hill University, Ormskirk, UK
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Leong BQZ, Estudillo AJ, Hussain Ismail AM. Holistic and featural processing's link to face recognition varies by individual and task. Sci Rep 2023; 13:16869. [PMID: 37803085 PMCID: PMC10558561 DOI: 10.1038/s41598-023-44164-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023] Open
Abstract
While it is generally accepted that holistic processing facilitates face recognition, recent studies suggest that poor recognition might also arise from imprecise perception of local features in the face. This study aimed to examine to what extent holistic and featural processing relates to individual differences in face recognition ability (FRA), during face learning (Experiment 1) and face recognition (Experiment 2). Participants performed two tasks: (1) The "Cambridge Face Memory Test-Chinese" which measured participants' FRAs, and (2) an "old/new recognition memory test" encompassing whole faces (preserving holistic and featural processing) and faces revealed through a dynamic aperture (impairing holistic processing but preserving featural processing). Our results showed that participants recognised faces more accurately in conditions when holistic information was preserved, than when it is impaired. We also show that the better use of holistic processing during face learning and face recognition was associated with better FRAs. However, enhanced featural processing during recognition, but not during learning, was related to better FRAs. Together, our findings demonstrate that good face recognition depends on distinct roles played by holistic and featural processing at different stages of face recognition.
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Affiliation(s)
- Bryan Qi Zheng Leong
- School of Psychology, University of Nottingham Malaysia, Semenyih, Malaysia.
- Department of Psychology, Bournemouth University, Poole House Talbot Campus, Poole, BH12 5BB, UK.
| | - Alejandro J Estudillo
- School of Psychology, University of Nottingham Malaysia, Semenyih, Malaysia.
- Department of Psychology, Bournemouth University, Poole House Talbot Campus, Poole, BH12 5BB, UK.
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Levakov G, Sporns O, Avidan G. Fine-scale dynamics of functional connectivity in the face-processing network during movie watching. Cell Rep 2023; 42:112585. [PMID: 37285265 DOI: 10.1016/j.celrep.2023.112585] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 03/02/2023] [Accepted: 05/16/2023] [Indexed: 06/09/2023] Open
Abstract
Mapping the human face-processing network is typically done during rest or using isolated, static face images, overlooking widespread cortical interactions obtained in response to naturalistic face dynamics and context. To determine how inter-subject functional correlation (ISFC) relates to face recognition scores, we measure cortical connectivity patterns in response to a dynamic movie in typical adults (N = 517). We find a positive correlation with recognition scores in edges connecting the occipital visual and anterior temporal regions and a negative correlation in edges connecting the attentional dorsal, frontal default, and occipital visual regions. We measure the inter-subject stimulus-evoked response at a single TR resolution and demonstrate that co-fluctuations in face-selective edges are related to activity in core face-selective regions and that the ISFC patterns peak during boundaries between movie segments rather than during the presence of faces. Our approach demonstrates how face processing is linked to fine-scale dynamics in attentional, memory, and perceptual neural circuitry.
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Affiliation(s)
- Gidon Levakov
- Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
| | - Olaf Sporns
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA; Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Galia Avidan
- Department of Psychology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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DeGutis J, Bahierathan K, Barahona K, Lee E, Evans TC, Shin HM, Mishra M, Likitlersuang J, Wilmer JB. What is the prevalence of developmental prosopagnosia? An empirical assessment of different diagnostic cutoffs. Cortex 2023; 161:51-64. [PMID: 36905701 PMCID: PMC10065901 DOI: 10.1016/j.cortex.2022.12.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 10/23/2022] [Accepted: 12/19/2022] [Indexed: 02/05/2023]
Abstract
The prevalence of developmental prosopagnosia (DP), lifelong face recognition deficits, is widely reported to be 2-2.5%. However, DP has been diagnosed in different ways across studies, resulting in differing prevalence rates. In the current investigation, we estimated the range of DP prevalence by administering well-validated objective and subjective face recognition measures to an unselected web-based sample of 3116 18-55 year-olds and applying DP diagnostic cutoffs from the last 14 years. We found estimated prevalence rates ranged from .64-5.42% when using a z-score approach and .13-2.95% when using a percentile approach, with the most commonly used cutoffs by researchers having a prevalence rate of .93% (z-score, .45% when using percentiles). We next used multiple cluster analyses to examine whether there was a natural grouping of poorer face recognizers but failed to find consistent grouping beyond those with generally above versus below average face recognition. Lastly, we investigated whether DP studies with more relaxed diagnostic cutoffs were associated with better performance on the Cambridge Face Perception Test. In a sample of 43 studies, there was a weak nonsignificant association between greater diagnostic strictness and better DP face perception accuracy (Kendall's tau-b correlation, τb =.18 z-score; τb = .11 percentiles). Together, these results suggest that researchers have used more conservative DP diagnostic cutoffs than the widely reported 2-2.5% prevalence. We discuss the strengths and weaknesses of using more inclusive cutoffs, such as identifying mild and major forms of DP based on DSM-5.
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Affiliation(s)
- Joseph DeGutis
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA.
| | - Kanisha Bahierathan
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Katherine Barahona
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - EunMyoung Lee
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Travis C Evans
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Hye Min Shin
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA
| | - Maruti Mishra
- Department of Psychology, University of Richmond, Richmond, VA, USA
| | - Jirapat Likitlersuang
- Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Jeremy B Wilmer
- Department of Psychology, Wellesley College, Wellesley, MA, USA
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Hartston M, Avidan G, Pertzov Y, Hadad BS. Weaker face recognition in adults with autism arises from perceptually based alterations. Autism Res 2023; 16:723-733. [PMID: 36691922 DOI: 10.1002/aur.2893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 01/06/2023] [Indexed: 01/25/2023]
Abstract
Face recognition has been shown to be impaired in autism spectrum disorders (ASD). However, it is still debated whether these face processing deficits arise from perceptually based alterations. We tested individuals with ASD and matched typically developing (TD) individuals using a delayed estimation task in which a single target face was shown either upright or inverted. Participants selected a face that best resembled the target face out of a cyclic space of morphed faces. To enable the disentanglement of visual from mnemonic processing, reports were required either following a 1 and 6 second retention interval, or simultaneously while the target face was still visible. Individuals with ASD made significantly more errors than TD individuals in both the simultaneous and delayed intervals, indicating that face recognition deficits in autism are also perceptual rather than strictly memory based. Moreover, individuals with ASD exhibited weaker inversion effects than the TD individuals, on all retention intervals. This finding, that was mostly evident in precision errors, suggests that contrary to the more precise representations of upright faces in TD individuals, individuals with ASD exhibit similar levels of precision for inverted and upright faces, for both simultaneous and delayed conditions. These results suggest that weakened memory for faces reported in ASD may be secondary to an underlying perceptual deficit in face processing.
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Affiliation(s)
- Marissa Hartston
- Department of Special Education, Faculty of Education, University of Haifa, Haifa, Israel
| | - Galia Avidan
- Department of Psychology, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Yoni Pertzov
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Bat-Sheva Hadad
- Department of Special Education, Faculty of Education, University of Haifa, Haifa, Israel.,Edmond J. Safra Brain Research Centre, University of Haifa, Haifa, Israel
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Weiss HK, Pacione DR, Galetta S, Kondziolka D. Prosopagnosia associated with brain metastasis near the inferior longitudinal fasciculus in the nondominant temporal lobe: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2021; 2:CASE21313. [PMID: 35855187 PMCID: PMC9265230 DOI: 10.3171/case21313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 06/09/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND Disruptions of the inferior longitudinal fasciculus (ILF) in the nondominant temporal lobe can lead to the rare but significant higher visual-processing disturbance of prosopagnosia. Here, the authors describe a 57-year-old right hand-dominant female with a large breast cancer brain metastasis in the right temporal lobe who underwent resection and subsequent Gamma Knife radiosurgery. She presented with difficulty with facial recognition, but following surgical intervention, the prosopagnosia became more profound. OBSERVATIONS Even in nondominant cortex, significant deficits can arise when operating near higher visual-processing centers, including the ILF. LESSONS This case highlights the utility of imaging-based tractography obtained from preoperative imaging for resective surgical planning even when operating in areas that do not involve what is traditionally considered elegant areas of the brain. To optimize neurological outcomes in metastatic tumor resection, awareness and diffusion tensor imaging of neighboring, displaced white matter tracts may prevent permanent deficits in higher visual processing.
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Avidan G, Behrmann M. Spatial Integration in Normal Face Processing and Its Breakdown in Congenital Prosopagnosia. Annu Rev Vis Sci 2021; 7:301-321. [PMID: 34014762 DOI: 10.1146/annurev-vision-113020-012740] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Congenital prosopagnosia (CP), a life-long impairment in face processing that occurs in the absence of any apparent brain damage, provides a unique model in which to explore the psychological and neural bases of normal face processing. The goal of this review is to offer a theoretical and conceptual framework that may account for the underlying cognitive and neural deficits in CP. This framework may also provide a novel perspective in which to reconcile some conflicting results that permits the expansion of the research in this field in new directions. The crux of this framework lies in linking the known behavioral and neural underpinnings of face processing and their impairments in CP to a model incorporating grid cell-like activity in the entorhinal cortex. Moreover, it stresses the involvement of active, spatial scanning of the environment with eye movements and implicates their critical role in face encoding and recognition. To begin with, we describe the main behavioral and neural characteristics of CP, and then lay down the building blocks of our proposed model, referring to the existing literature supporting this new framework. We then propose testable predictions and conclude with open questions for future research stemming from this model. Expected final online publication date for the Annual Review of Vision Science, Volume 7 is September 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Galia Avidan
- Department of Psychology and Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel;
| | - Marlene Behrmann
- Department of Psychology and Neuroscience Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
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