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Tullo D, Levy B, Faubert J, Bertone A. Characterizing Attention Resource Capacity in Autism: A Multiple Object Tracking Study. J Autism Dev Disord 2024; 54:2802-2815. [PMID: 37344729 PMCID: PMC11300490 DOI: 10.1007/s10803-023-05974-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2023] [Indexed: 06/23/2023]
Abstract
The extant literature aimed at characterizing attentional capability in autistics has presented inconsistent findings. This inconsistency and uncertainty may be the product of different theoretical and methodological approaches used to define attention in autism. In the current study, we investigate whether the allocation of attentional resources to task demands, and attention resource capacity, differs between autistics with no comorbid attention-deficit diagnosis (n = 55) and age-matched neurotypicals (n = 55). We compared differences in capacity and the allocation of resources by manipulating attentional load in a Multiple Object-Tracking (MOT) task, a robust, versatile, and ecological measure of selective, sustained, and distributed attention. While autistics demonstrated lower MOT performance, this difference disappeared when we accounted for fluid reasoning intelligence. Additionally, the similarity in the trend of MOT performance at increasing levels of attentional load between autistics and neurotypicals suggests no differences in the allocation of attentional resources to task demands. Taken together, our study suggests that higher-order cognitive abilities, such as intelligence, should be considered when characterizing attention across the autistic population in research. Similarly, our findings highlight the importance of considering cognitive competence when assessing attentional capabilities in autistic individuals, which could have significant implications for clinical diagnosis, treatment, and support.
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Zapparrata NM, Brooks PJ, Ober TM. Slower Processing Speed in Autism Spectrum Disorder: A Meta-analytic Investigation of Time-Based Tasks. J Autism Dev Disord 2023; 53:4618-4640. [PMID: 36112302 DOI: 10.1007/s10803-022-05736-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2022] [Indexed: 11/28/2022]
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition affecting information processing across domains. The current meta-analysis investigated whether slower processing speed is associated with the ASD neurocognitive profile and whether findings hold across different time-based tasks and stimuli (social vs. nonsocial; linguistic vs. nonlinguistic). Mean RTs of ASD and age-matched neurotypical comparison groups (N = 893 ASD, 1063 neurotypical; mean age ASD group = 17 years) were compared across simple RT, choice RT, and interference control tasks (44 studies, 106 effects) using robust variance estimation meta-analysis. Simple RT tasks required participants to respond to individual stimuli, whereas choice RT tasks required forced-choice responses to two or more stimuli. Interference control tasks required a decision in the context of a distractor or priming stimulus; in an effort to minimize inhibitory demands, we extracted RTs only from baseline and congruent conditions of such tasks. All tasks required nonverbal (motor) responses. The overall effect-size estimate indicated significantly longer mean RTs in ASD groups (g = .35, 95% CI = .16; .54) than comparison groups. Task type moderated effects, with larger estimates drawn from simple RT tasks than interference control tasks. However, across all three task types, ASD groups exhibited significantly longer mean RTs than comparison groups. Stimulus type and age did not moderate effects. Generalized slowing may be a domain-general characteristic of ASD with potential consequences for social, language, and motor development. Assessing processing speed may inform development of interventions to support autistic individuals and their diverse cognitive profiles.
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Affiliation(s)
- Nicole M Zapparrata
- The College of Staten Island, City University of New York, 2800 Victory Blvd, Staten Island, NY, 10314, USA.
- Educational Psychology Program, The CUNY Graduate Center, 365 Fifth Ave., New York, NY, 10016, USA.
| | - Patricia J Brooks
- The College of Staten Island, City University of New York, 2800 Victory Blvd, Staten Island, NY, 10314, USA
- Educational Psychology Program, The CUNY Graduate Center, 365 Fifth Ave., New York, NY, 10016, USA
| | - Teresa M Ober
- University of Notre Dame, Notre Dame, IN, 46556, USA
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Peristeri E, Kamona X, Varlokosta S. The Acquisition of Relative Clauses in Autism: The Role of Executive Functions and Language. J Autism Dev Disord 2023:10.1007/s10803-023-06159-4. [PMID: 37898582 DOI: 10.1007/s10803-023-06159-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2023] [Indexed: 10/30/2023]
Abstract
PURPOSE Relative clauses present a well-known processing asymmetry between object-extracted and subject-extracted dependencies across both typical and atypical populations. The present study aimed at exploring the comprehension of object and subject relative clauses as conceptualized by the Relativized Minimality framework in autistic children and in a group of age- and IQ-matched typically-developing children. The study also explored the way performance in relative clauses would be affected by the children's language and executive function skills. METHOD Relative clause comprehension was tested through a sentence-picture matching task and language was tested with a receptive vocabulary task. Executive functions were assessed through backward digit recall and a Flanker test. RESULTS Object relative clauses were harder to parse for both groups than subject relatives, while number mismatch between the moved object Noun Phrase and the intervening subject Noun Phrase in object relatives boosted both groups' performances. Typically-developing children's performance in object relatives was predicted by both language and executive functions, while autistic children failed to use language and did not systematically draw on their executive functions in object relative clause comprehension. CONCLUSION The findings suggest that relative clause processing in autism follows a normal developmental trajectory, and that difficulty with parsing object relative clauses stems from reduced language and executive functions rather than deficits in the children's morphosyntactic skills.
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Affiliation(s)
- Eleni Peristeri
- School of English, Faculty of Philosophy, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece.
| | - Xanthi Kamona
- Department of Linguistics, Faculty of Philology, National and Kapodistrian University of Athens, Athens, Greece
| | - Spyridoula Varlokosta
- Department of Linguistics, Faculty of Philology, National and Kapodistrian University of Athens, Athens, Greece
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Carmo JC, Filipe CN. Disentangling response initiation difficulties from response inhibition in autism spectrum disorder: A sentence-completion task. Front Psychol 2022; 13:964200. [PMID: 36225712 PMCID: PMC9548610 DOI: 10.3389/fpsyg.2022.964200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022] Open
Abstract
It has been proposed that individuals with autism spectrum disorder (ASD) struggle both with response initiation and with response inhibition, both of which are functions of the executive system. Experimental tasks are unlikely pure measures of a single cognitive domain, and in this study we aim at understanding the contributions of response initiation difficulties to possible deficits in inhibitory control in autism. A sample of adults diagnosed with ASD and a control sample participated in this study. To participants it was asked to perform a sentence-completion task with two different condition: Part A—targeting response initiation and Part B—engaging inhibitory processes. Importantly, we have analyzed the B-A latencies that have been proposed for the removal of the response initiation confound effect. Results show that no differences between the groups were found in accuracy measures, either in Part A (ASD: M = 0.78; Controls: M = 0.90) nor Part B (ASD: M = 0.03; Controls: M = 0.02). However, in both conditions autistic participants were significantly slower to respond than the group of participants with typical development (Part A—ASD: M = 2432.5 ms; Controls M = 1078.5 ms; Part B—ASD M = 6758.3 ms; Controls M = 3283.9 ms). Critically, we show that when subtracting the response times of Part A from Part B (B-A latencies) no group differences attributable to inhibitory processes remained (ASD: M = 4325.76; Controls: M = 2205.46). With this study we corroborate the existence of difficulties with response initiation in autism and we question the existence of troubles in inhibition per se.
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Affiliation(s)
- Joana C. Carmo
- CICPSI, Faculdade de Psicologia, Universidade de Lisboa, Lisbon, Portugal
- *Correspondence: Joana C. Carmo,
| | - Carlos N. Filipe
- NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal
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Tomoo K, Suga T, Dora K, Sugimoto T, Mok E, Tsukamoto H, Takada S, Hashimoto T, Isaka T. Impact of Inter-Set Short Rest Interval Length on Inhibitory Control Improvements Following Low-Intensity Resistance Exercise in Healthy Young Males. Front Physiol 2021; 12:741966. [PMID: 34880772 PMCID: PMC8645957 DOI: 10.3389/fphys.2021.741966] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/25/2021] [Indexed: 12/02/2022] Open
Abstract
The length of rest interval between sets (i.e., inter-set rest interval) is an important variable for resistance exercise program. However, the impact of the inter-set rest interval on improvements in cognitive function following resistance exercise remains unknown. In this study, we compared the effect of short rest interval (SRI) vs. long rest interval (LRI) protocols on post-exercise cognitive inhibitory control (IC) improvements induced by low-intensity resistance exercise. Twenty healthy, young males completed both SRI and LRI sessions in a crossover design. The bilateral knee extensor low-intensity resistance exercise was programed for six sets with 10 repetitions per set using 40% of one-repetition maximum. The inter-set rest interval lengths for SRI and LRI protocols were set for 1 and 3min, respectively. The color-word Stroop task (CWST) was administrated at six time points: baseline, pre-exercise, immediate post-exercise, and every 10min during the 30-min post-exercise recovery period. The levels of blood lactate, which may be an important determinant for improving IC, throughout the 30-min post-exercise recovery period were significantly higher following SRI protocol than following LRI protocol (p=0.002 for interaction effect). In line with this result, large-sized decreases in the reverse-Stroop interference score, which represent improved IC, were observed immediately after SRI protocol (d=0.94 and 0.82, respectively, vs. baseline and pre-exercise) as opposed to the moderate-sized decreases immediately after LRI protocol (d=0.62 and 0.66, respectively, vs. baseline and pre-exercise). Moreover, significant decreases in the reverse-Stroop interference score were observed from 10 to 30min after SRI protocol (all ps<0.05 vs. baseline and/or pre-exercise), whereas no such decrease was observed after LRI protocol. Furthermore, the degree of decreases in the reverse-Stroop interference score throughout the 30-min post-exercise recovery period was significantly greater in SRI protocol than in LRI protocol (p=0.046 for interaction effect). We suggest that the SRI protocol is more useful in improving post-exercise IC, potentially via greater circulating lactate levels, compared to the LRI protocol. Therefore, the inter-set rest interval length may be an important variable for determining the degree of cognitive function improvements following resistance exercise in healthy young males.
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Affiliation(s)
- Keigo Tomoo
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
| | - Tadashi Suga
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan.,Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Japan
| | - Kento Dora
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
| | - Takeshi Sugimoto
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
| | - Ernest Mok
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
| | - Hayato Tsukamoto
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
| | - Shingo Takada
- Department of Sports Education, Faculty of Lifelong Sport, Hokusho University, Ebetsu, Japan
| | - Takeshi Hashimoto
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
| | - Tadao Isaka
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Japan
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Pitzianti M, Fagioli S, Pontis M, Pasini A. Attention Deficits Influence the Development of Motor Abnormalities in High Functioning Autism. Child Psychiatry Hum Dev 2021; 52:1131-1142. [PMID: 33145671 PMCID: PMC8528792 DOI: 10.1007/s10578-020-01088-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/18/2020] [Indexed: 11/27/2022]
Abstract
Early attentional dysfunction is one of the most consistent findings in autism spectrum disorder (ASD), including the high functioning autism (HFA). There are no studies that assess how the atypical attentional processes affect the motor functioning in HFA. In this study, we evaluated attentional and motor functioning in a sample of 15 drug-naive patients with HFA and 15 healthy children (HC), and possible link between attentional dysfunction and motor impairment in HFA. Compared to HC, HFA group was seriously impaired in a considerable number of attentional processes and showed a greater number of motor abnormalities. Significant correlations between attention deficits and motor abnormalities were observed in HFA group. These preliminary findings suggest that deficit of attentional processes can be implied in motor abnormalities in HFA.
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Affiliation(s)
- Mariabernarda Pitzianti
- Unit of Child Neurology and Psychiatry, Department of Systems Medicine, "Tor Vergata" University, Via Montpellier 1, 00133, Rome, Italy
- Child Neuropsychiatry, USL Umbria-2, Viale VIII Marzo, 05100, Terni, Italy
| | - Sabrina Fagioli
- Department of Education, University of "Roma Tre", Via del Castro Pretorio 20, 00185, Rome, Italy.
- Neuroimaging Laboratory, IRCCS Santa Lucia Foundation, Via Ardeatina 306, 00179, Rome, Italy.
| | - Marco Pontis
- Comprehensive Rehabilitation Center Ctr Asl 8, Cagliari, Italy
| | - Augusto Pasini
- Unit of Child Neurology and Psychiatry, Department of Systems Medicine, "Tor Vergata" University, Via Montpellier 1, 00133, Rome, Italy
- Child Neuropsychiatry, USL Umbria-2, Viale VIII Marzo, 05100, Terni, Italy
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Dora K, Suga T, Tomoo K, Sugimoto T, Mok E, Tsukamoto H, Takada S, Hashimoto T, Isaka T. Similar improvements in cognitive inhibitory control following low-intensity resistance exercise with slow movement and tonic force generation and high-intensity resistance exercise in healthy young adults: a preliminary study. J Physiol Sci 2021; 71:22. [PMID: 34273958 PMCID: PMC10717914 DOI: 10.1186/s12576-021-00806-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 06/26/2021] [Indexed: 01/02/2023]
Abstract
This study compared the effects of low-intensity resistance exercise with slow movement and tonic force generation (ST-LRE) and high-intensity resistance exercise (HRE) on post-exercise improvements in cognitive inhibitory control (IC). Sixteen young males completed ST-LRE and HRE sessions in a crossover design. Bilateral knee extensor ST-LRE and HRE (8 repetitions/set, 6 sets) were performed with 50% of one-repetition maximum with slow contractile speed and 80% of one-repetition maximum with normal contractile speed, respectively. The IC was assessed using the color-word Stroop task at six time points: baseline, pre-exercise, immediate post-exercise, and every 10 min during the 30-min post-exercise recovery period. The blood lactate response throughout the experimental session did not differ between ST-LRE and HRE (condition × time interaction P = 0.396: e.g., mean ± standard error of the mean; 8.1 ± 0.5 vs. 8.1 ± 0.5 mM, respectively, immediately after exercise, P = 0.983, d = 0.00). Large-sized decreases in the reverse-Stroop interference scores, which represent improved IC, compared to those before exercise (i.e., baseline and pre-exercise) were observed throughout the 30 min post-exercise recovery period for both ST-LRE and HRE (decreasing rate ≥ 38.8 and 41.4%, respectively, all ds ≥ 0.95). The degree of post-exercise IC improvements was similar between the two protocols (condition × time interaction P = 0.998). These findings suggest that despite the application of a lower exercise load, ST-LRE improves post-exercise IC similarly to HRE, which may be due to the equivalent blood lactate response between the two protocols, in healthy young adults.
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Affiliation(s)
- Kento Dora
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Tadashi Suga
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan.
| | - Keigo Tomoo
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Takeshi Sugimoto
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Ernest Mok
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Hayato Tsukamoto
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Shingo Takada
- Faculty of Lifelong Sport, Department of Sports Education, Hokusho University, Ebetsu, Hokkaido, Japan
| | - Takeshi Hashimoto
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Tadao Isaka
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
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Mansour R, Ward AR, Lane DM, Loveland KA, Aman MG, Jerger S, Schachar RJ, Pearson DA. ADHD severity as a predictor of cognitive task performance in children with Autism Spectrum Disorder (ASD). RESEARCH IN DEVELOPMENTAL DISABILITIES 2021; 111:103882. [PMID: 33548744 PMCID: PMC7987770 DOI: 10.1016/j.ridd.2021.103882] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND In recent years, a number of studies have begun to explore the nature of Attention-Deficit/Hyperactivity Disorder (ADHD) in children with Autism Spectrum Disorder (ASD). In this study, we examined the relationship between both symptoms of ADHD and symptoms of ASD on cognitive task performance in a sample of higher-functioning children and adolescents with ASD. Participants completed cognitive tasks tapping aspects of attention, impulsivity/inhibition, and immediate memory. AIMS We hypothesized that children with ASD who had higher levels of ADHD symptom severity would be at higher risk for poorer sustained attention and selective attention, greater impulsivity/disinhibition, and weaker memory. METHODS AND PROCEDURES The sample included 92 children (73 males) diagnosed with ASD (Mean Age = 9.41 years; Mean Full Scale IQ = 84.2). OUTCOMES AND RESULTS Using regression analyses, more severe ADHD symptomatology was found to be significantly related to weaker performance on tasks measuring attention, immediate memory, and response inhibition. In contrast, increasing severity of ASD symptomatology was not associated with higher risk of poorer performance on any of the cognitive tasks assessed. CONCLUSIONS AND IMPLICATIONS These results suggest that children with ASD who have more severe ADHD symptoms are at higher risk for impairments in tasks assessing attention, immediate memory, and response inhibition-similar to ADHD-related impairments seen in the general pediatric population. As such, clinicians should assess various aspects of cognition in pediatric patients with ASD in order to facilitate optimal interventional and educational planning.
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Affiliation(s)
- Rosleen Mansour
- McGovern Medical School, University of Texas Health Science Center at Houston, United States
| | - Anthony R Ward
- McGovern Medical School, University of Texas Health Science Center at Houston, United States
| | | | - Katherine A Loveland
- McGovern Medical School, University of Texas Health Science Center at Houston, United States
| | | | | | | | - Deborah A Pearson
- McGovern Medical School, University of Texas Health Science Center at Houston, United States.
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Dora K, Suga T, Tomoo K, Sugimoto T, Mok E, Tsukamoto H, Takada S, Hashimoto T, Isaka T. Effect of very low-intensity resistance exercise with slow movement and tonic force generation on post-exercise inhibitory control. Heliyon 2021; 7:e06261. [PMID: 33665431 PMCID: PMC7903307 DOI: 10.1016/j.heliyon.2021.e06261] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/05/2021] [Accepted: 02/08/2021] [Indexed: 11/30/2022] Open
Abstract
Background The extremely low loads (e.g., <30% of one-repetition maximum) involved in performing resistance exercise are effective in preventing musculoskeletal injury and enhancing exercise adherence in various populations, especially older individuals and patients with chronic diseases. Nevertheless, long-term intervention using this type of protocol is known to have little effects on muscle size and strength adaptations. Despite this knowledge, very low-intensity resistance exercise (VLRE) with slow movement and tonic force generation (ST) significantly increases muscle size and strength. To further explore efficacy of ST-VLRE in the clinical setting, this study examined the effect of ST-VLRE on post-exercise inhibitory control (IC). Methods Twenty healthy, young males (age: 21 ± 0 years, body height: 173.4 ± 1.2 cm, body weight: 67.4 ± 2.2 kg) performed both ST-VLRE and normal VLRE in a crossover design. The load for both protocols was set at 30% of one-repetition maximum. Both protocols were programmed with bilateral knee extension for six sets with ten repetitions per set. The ST-VLRE and VLRE were performed with slow (3-sec concentric, 3-sec eccentric, and 1-sec isometric actions with no rest between each repetition) and normal contractile speeds (1-sec concentric and 1-sec eccentric actions and 1-sec rests between each repetition), respectively. IC was assessed using the color-word Stroop task at six time points: baseline, pre-exercise, immediate post-exercise, and every 10 min during the 30-min post-exercise recovery period. Results The reverse-Stroop interference score, a parameter of IC, significantly decreased immediately after both ST-VLRE and VLRE compared to that before each exercise (decreasing rate >32 and 25%, respectively, vs. baseline and/or pre-exercise for both protocols; all Ps < 0.05). The improved IC following ST-VLRE, but not following VLRE, remained significant until the 20-min post-exercise recovery period (decreasing rate >48% vs. baseline and pre-exercise; both Ps < 0.001). The degree of post-exercise IC improvements was significantly higher for ST-VLRE than for VLRE (P = 0.010 for condition × time interaction effect). Conclusions These findings suggest that ST-VLRE can improve post-exercise IC effectively. Therefore, ST-VLRE may be an effective resistance exercise protocol for improving cognitive function.
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Affiliation(s)
- Kento Dora
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Tadashi Suga
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Keigo Tomoo
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Takeshi Sugimoto
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Ernest Mok
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Hayato Tsukamoto
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Shingo Takada
- Faculty of Lifelong Sport, Department of Sports Education, Hokusho University, Ebetsu, Hokkaido, Japan
| | - Takeshi Hashimoto
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Tadao Isaka
- Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
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Kelly SE, Schmitt LM, Sweeney JA, Mosconi MW. Reduced Proactive Control Processes Associated With Behavioral Response Inhibition Deficits in Autism Spectrum Disorder. Autism Res 2021; 14:389-399. [PMID: 33111461 PMCID: PMC7878417 DOI: 10.1002/aur.2415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 06/13/2020] [Accepted: 09/27/2020] [Indexed: 11/08/2022]
Abstract
Impairments in inhibitory control are common in individuals with autism spectrum disorder (ASD) and associated with multiple clinical issues. Proactive (i.e., delaying response onset) and reactive control mechanisms (i.e., stopping quickly) contribute to successful inhibitory control in typically developing individuals and may be compromised in ASD. We assessed inhibitory control in 58 individuals with ASD and 63 typically developing controls aged 5-29 years using an oculomotor stop-signal task during which participants made rapid eye movements (i.e., saccades) toward peripheral targets (i.e., GO trials) or inhibited saccades (i.e., STOP trials). Individuals with ASD exhibited reduced ability to inhibit saccades, reduced reaction time slowing (GO RT slowing), and faster stop-signal reaction times (SSRT) compared to controls. Across participants, stopping accuracy was positively related to GO RT slowing, and increased age was associated with higher stopping accuracy and GO RT slowing. Our results indicate that failures to proactively delay prepotent responses in ASD underpin deficits of inhibitory control and may contribute to difficulties modifying their behavior according to changes in contextual demands. These findings implicate frontostriatal brain networks in inhibitory control and core symptoms of ASD. LAY SUMMARY: Difficulties stopping actions are common in individuals with autism spectrum disorder (ASD) and are related to repetitive behaviors. This study compared the ability to stop eye movements in individuals with ASD and healthy peers. We found that individuals with ASD were less able to stop eye movements and that this difficulty was related to a reduced ability to delay their eye movements before seeing the cue to stop, not their ability to react quickly to this cue.
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Affiliation(s)
- Shannon E. Kelly
- Clinical Child Psychology Program, University of Kansas, Lawrence, KS; Life Span Institute, University of Kansas, Lawrence, KS; Kansas Center for Autism Research and Training (KCART), University of Kansas, Lawrence, KS
| | - Lauren M. Schmitt
- Division of Developmental and Behavioral Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, OH
| | - John A. Sweeney
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Matthew W. Mosconi
- Clinical Child Psychology Program, University of Kansas, Lawrence, KS; Life Span Institute, University of Kansas, Lawrence, KS; Kansas Center for Autism Research and Training (KCART), University of Kansas, Lawrence, KS
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Pearson DA, Santos CW, Aman MG, Arnold LE, Lane DM, Loveland KA, Mansour R, Ward AR, Casat CD, Jerger S, Schachar RJ, Bukstein OG, Cleveland LA. Effects of Extended-Release Methylphenidate Treatment on Cognitive Task Performance in Children with Autism Spectrum Disorder and Attention-Deficit/Hyperactivity Disorder. J Child Adolesc Psychopharmacol 2020; 30:414-426. [PMID: 32644833 PMCID: PMC7475091 DOI: 10.1089/cap.2020.0004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Objective: To examine the effectiveness of four doses of psychostimulant medication, combining extended-release methylphenidate (ER-MPH) in the morning with immediate-release MPH (IR-MPH) in the afternoon, on cognitive task performance. Method: The sample comprised 24 children (19 boys and 5 girls) who met the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition Text Revision (DSM-IV-TR) criteria for an autism spectrum disorder (ASD) on the Autism Diagnostic Interview-R and the Autism Diagnostic Observation Schedule, and had significant symptoms of attention-deficit/hyperactivity disorder (ADHD). This sample consisted of elementary school-age, community-based children (mean chronological age = 8.8 years, SD = 1.7; mean intelligence quotient = 85; SD = 16.8). Effects of placebo and three dose levels of ER-MPH (containing 0.21, 0.35, and 0.48 mg/kg equivalent of IR-MPH) on cognitive task performance were compared using a within-subject, crossover, placebo-controlled design. Each of the four MPH dosing regimens (placebo, low-dose MPH, medium-dose MPH, and high-dose MPH) was administered for 1 week; the dosing order was counterbalanced across children. Results: MPH treatment was associated with significant performance gains on cognitive tasks tapping sustained attention, selective attention, and impulsivity/inhibition. Dose/response was generally linear in the dose range studied, with no evidence of deterioration in performance at higher MPH doses in the dose range studied. Conclusion: The results of this study suggest that MPH formulations are associated with significant improvements on cognitive task performance in children with ASD and ADHD.
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Affiliation(s)
- Deborah A. Pearson
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Cynthia W. Santos
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | | | | | - David M. Lane
- Department of Psychological Sciences and Department of Statistics, Rice University, Houston, Texas, USA
| | - Katherine A. Loveland
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Rosleen Mansour
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Anthony R. Ward
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Charles D. Casat
- Ralph H. Johnson VA Medical Center, Charleston, South Carolina, USA
| | - Susan Jerger
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, Texas, USA
| | | | | | - Lynne A. Cleveland
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
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12
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Sugimoto T, Suga T, Tsukamoto H, Tomoo K, Dora K, Hashimoto T, Isaka T. Effect of repeated bouts versus a single bout of moderate-intensity exercise on postexercise inhibitory control. Physiol Rep 2020; 8:e14528. [PMID: 32776468 PMCID: PMC7415913 DOI: 10.14814/phy2.14528] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/08/2020] [Accepted: 07/10/2020] [Indexed: 01/01/2023] Open
Abstract
We previously demonstrated that duration of aerobic exercise plays an important role in improving cognitive inhibitory control (IC). Repeated bouts of aerobic exercise (R-EX), which are performed with a rest interval, is a useful strategy in improving physical health parameters in similar manners to a single bout of aerobic exercise (S-EX). However, whether R-EX would be effective in improving IC remains unknown. This study compared the effect of R-EX versus S-EX of moderate-intensity exercise on postexercise IC. Twenty healthy, young males performed both R-EX and S-EX in a crossover design. R-EX consisted of two 20-min moderate-intensity bouts (60% of peak oxygen consumption) for 20 min, which were separated by a 20-min rest interval. S-EX consisted of a once-off 40-min moderate-intensity bout without rest interval. To evaluate IC, the color-word Stroop task was administered before exercise, immediately after exercise, and every 10 min during the 30-min postexercise recovery period. The reverse-Stroop interference score, which is a parameter of IC, significantly decreased immediately after both R-EX and S-EX compared with that before each exercise (both Ps < 0.05). The degree of changes in IC following exercise did not differ between the two protocols. By contrast, the results of the present study showed that R-EX may have more beneficial effects on cardiac and perceptual responses than S-EX. Therefore, the present study determined that R-EX changes postexercise IC similar to S-EX. We suggest that R-EX can be used as safe and effective exercise protocol to improve cognitive function in various populations.
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Affiliation(s)
- Takeshi Sugimoto
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Tadashi Suga
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Hayato Tsukamoto
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Keigo Tomoo
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Kento Dora
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Takeshi Hashimoto
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Tadao Isaka
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
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13
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Tomoo K, Suga T, Sugimoto T, Tanaka D, Shimoho K, Dora K, Mok E, Matsumoto S, Tsukamoto H, Takada S, Hashimoto T, Isaka T. Work volume is an important variable in determining the degree of inhibitory control improvements following resistance exercise. Physiol Rep 2020; 8:e14527. [PMID: 32776493 PMCID: PMC7415911 DOI: 10.14814/phy2.14527] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/07/2020] [Accepted: 07/10/2020] [Indexed: 11/28/2022] Open
Abstract
We previously determined that improvement in cognitive inhibitory control (IC) immediately after localized resistance exercise was greater for high-intensity resistance exercise (HRE) than for low-intensity resistance exercise (LRE). However, our previous study used the same total repetitions (i.e., same repetitions per set) between HRE and LRE; therefore, the difference in postexercise IC improvement might be due to a difference in work volume (i.e., intensity × total repetitions). In this study, we compared the effect of high-volume (HV)-LRE to that of volume-matched HRE on postexercise IC improvements. Twenty-two healthy, young males performed both HV-LRE and HRE in a crossover design. Exercise loads for HV-LRE and HRE were set at 35% and 70% of one-repetition maximum, respectively. The bilateral knee extension exercises for HV-LRE and HRE were programmed for six sets with 20 and 10 repetitions, respectively, per set. IC was measured using the color-word Stroop task (CWST) at six time points; baseline, pre-exercise, immediate postexercise, and every 10 min during the 30-min postexercise recovery period. The reverse-Stroop interference score decreased significantly immediately after HV-LRE and HRE compared with that before each exercise (decreasing rate >34 and >38%, respectively, vs. baseline and pre-exercise; all ps < .05), and the decreased score remained significant until 20 min after both protocols (decreasing rate >40 and >38%, respectively, vs. baseline and pre-exercise; all ps < .05). The degree of the postexercise IC improvements did not differ significantly between the two protocols. These findings suggest that HV-LRE improves IC in a similar manner to volume-matched HRE.
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Affiliation(s)
- Keigo Tomoo
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Tadashi Suga
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Takeshi Sugimoto
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Daichi Tanaka
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Kento Shimoho
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Kento Dora
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Ernest Mok
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Shawn Matsumoto
- Department of NeuroscienceUniversity of Texas at AustinAustinTXUSA
| | - Hayato Tsukamoto
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Shingo Takada
- Department of Sports EducationFaculty of Lifelong SportHokusho UniversityEbetsuHokkaidoJapan
| | - Takeshi Hashimoto
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Tadao Isaka
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
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14
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Significance of Beta-Band Oscillations in Autism Spectrum Disorders During Motor Response Inhibition Tasks: A MEG Study. Brain Topogr 2020; 33:355-374. [PMID: 32303950 PMCID: PMC7182638 DOI: 10.1007/s10548-020-00765-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 04/01/2020] [Indexed: 12/29/2022]
Abstract
In Autism Spectrum Disorders (ASD), impaired response inhibition and lack of adaptation are hypothesized to underlie core ASD symptoms, such as social communication and repetitive, stereotyped behavior. Thus, the aim of the present study was to compare neural correlates of inhibition, post-error adaptation, and reaction time variability in ASD and neuro-typical control (NTC) participants by investigating possible differences in error-related changes of oscillatory MEG activity. Twelve male NTC (mean age 20.3 ± 3.7) and fourteen male patients with ASD (mean age 17.8 ± 2.9) were included in the analysis. Subjects with ASD showed increased error-related reaction time variability. MEG analysis revealed decreased beta power in the ASD group in comparison to the NTC group over the centro-parietal channels in both, the pre-stimulus and post-response interval. In the ASD group, mean centro-parietal beta power negatively correlated with dimensional autism symptoms. In both groups, false alarms were followed by an early increase in temporo-frontal theta to alpha power; and by a later decrease in alpha to beta power at central and posterior sensors. Single trial correlations were additionally studied in the ASD group, who showed a positive correlation of pre-stimulus beta power with post-response theta, alpha, and beta power, particularly after hit trials. On a broader scale, the results deliver important insights into top-down control deficits that may relate to core symptoms observed in ASD.
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15
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Albajara Sáenz A, Septier M, Van Schuerbeek P, Baijot S, Deconinck N, Defresne P, Delvenne V, Passeri G, Raeymaekers H, Salvesen L, Victoor L, Villemonteix T, Willaye E, Peigneux P, Massat I. ADHD and ASD: distinct brain patterns of inhibition-related activation? Transl Psychiatry 2020; 10:24. [PMID: 32066671 PMCID: PMC7026183 DOI: 10.1038/s41398-020-0707-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/20/2019] [Accepted: 11/27/2019] [Indexed: 12/13/2022] Open
Abstract
Attention-deficit/hyperactivity (ADHD) and autism spectrum (ASD) disorders often co-occur. In both cases, response inhibition deficits and inhibition-related atypical brain activation have been reported, although less consistently in ASD. Research exploring the overlap/distinctiveness between ADHD and ASD has significantly increased in recent years, but direct comparison of the inhibition-related neuronal correlates between these disorders are scarce in the literature. This study aimed at disentangling the shared and specific inhibitory brain dysfunctions in ASD and ADHD. Using functional magnetic resonance imaging (fMRI), brain activity was compared between children with ADHD, ASD and typically developing (TD) children aged 8-12 years during an inhibition stop-signal task, using stringent inclusion criteria. At the behavioural level, only children with ADHD exhibited inhibition deficits when compared with the TD group. Distinct patterns of brain activity were observed during successful inhibition. In children with ADHD, motor inhibition was associated with right inferior parietal activation, whereas right frontal regions were activated in children with ASD. Between-group comparisons disclosed higher middle frontal activation in the ASD group compared with the ADHD and the TD groups. Our results evidence different patterns of activation during inhibition in these two disorders, recruiting different regions of the fronto-parietal network associated to inhibition. Besides brain activity differences, behavioural inhibition deficits found only in children with ADHD further suggest that reactive inhibition is one of the core deficits in ADHD, but not in ASD. Our findings provide further evidence contributing to disentangle the shared and specific inhibitory dysfunctions in ASD and ADHD.
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Affiliation(s)
- Ariadna Albajara Sáenz
- Neuropsychology and Functional Neuroimaging Research Group (UR2NF) at the Centre for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Mathilde Septier
- Hôpital Universitaire Robert Debré, Paris, France
- Institut de Psychiatrie et de Neurosciences de Paris Inserm U894 Team 1, Paris, France
| | - Peter Van Schuerbeek
- Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Simon Baijot
- Neuropsychology and Functional Neuroimaging Research Group (UR2NF) at the Centre for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
- Hôpital Universitaire des Enfants Reine Fabiola (HUDERF), Brussels, Belgium
| | - Nicolas Deconinck
- Hôpital Universitaire des Enfants Reine Fabiola (HUDERF), Brussels, Belgium
| | - Pierre Defresne
- Service Universitaire Spécialisé pour personnes avec Autisme (SUSA)-Université de Mons, Mons, Belgium
| | - Véronique Delvenne
- Hôpital Universitaire des Enfants Reine Fabiola (HUDERF), Brussels, Belgium
| | - Gianfranco Passeri
- Hôpital Universitaire des Enfants Reine Fabiola (HUDERF), Brussels, Belgium
| | - Hubert Raeymaekers
- Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Leila Salvesen
- Neuropsychology and Functional Neuroimaging Research Group (UR2NF) at the Centre for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Laurent Victoor
- PsyPluriel, Centre Européen de Psychologie Médicale, Brussels, Belgium
| | - Thomas Villemonteix
- Neuropsychology and Functional Neuroimaging Research Group (UR2NF) at the Centre for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
- Paris 8 Vincennes - St Denis University, Laboratoire de Psychopathologie et Neuropsychologie, Saint Denis, France
| | - Eric Willaye
- Service Universitaire Spécialisé pour personnes avec Autisme (SUSA)-Université de Mons, Mons, Belgium
| | - Philippe Peigneux
- Neuropsychology and Functional Neuroimaging Research Group (UR2NF) at the Centre for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Isabelle Massat
- Neuropsychology and Functional Neuroimaging Research Group (UR2NF) at the Centre for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium.
- Laboratory of Experimental Neurology, ULB, Brussels, Belgium.
- National Fund of Scientific Research (FNRS), Brussels, Belgium.
- Department of Neurology, Erasme Hospital, Brussels, Belgium.
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16
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Yuk V, Urbain C, Anagnostou E, Taylor MJ. Frontoparietal Network Connectivity During an N-Back Task in Adults With Autism Spectrum Disorder. Front Psychiatry 2020; 11:551808. [PMID: 33033481 PMCID: PMC7509600 DOI: 10.3389/fpsyt.2020.551808] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 08/13/2020] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Short-term and working memory (STM and WM) deficits have been demonstrated in individuals with autism spectrum disorder (ASD) and may emerge through atypical functional activity and connectivity of the frontoparietal network, which exerts top-down control necessary for successful STM and WM processes. Little is known regarding the spectral properties of the frontoparietal network during STM or WM processes in ASD, although certain neural frequencies have been linked to specific neural mechanisms. METHODS We analysed magnetoencephalographic data from 39 control adults (26 males; 27.15 ± 5.91 years old) and 40 adults with ASD (26 males; 27.17 ± 6.27 years old) during a 1-back condition (STM) of an n-back task, and from a subset of this sample during a 2-back condition (WM). We performed seed-based connectivity analyses using regions of the frontoparietal network. Interregional synchrony in theta, alpha, and beta bands was assessed with the phase difference derivative and compared between groups during periods of maintenance and recognition. RESULTS During maintenance of newly presented vs. repeated stimuli, the two groups did not differ significantly in theta, alpha, or beta phase synchrony for either condition. Adults with ASD showed alpha-band synchrony in a network containing the right dorsolateral prefrontal cortex, bilateral inferior parietal lobules (IPL), and precuneus in both 1- and 2-back tasks, whereas controls demonstrated alpha-band synchrony in a sparser set of regions, including the left insula and IPL, in only the 1-back task. During recognition of repeated vs. newly presented stimuli, adults with ASD exhibited decreased theta-band connectivity compared to controls in a network with hubs in the right inferior frontal gyrus and left IPL in the 1-back condition. Whilst there were no group differences in connectivity in the 2-back condition, adults with ASD showed no frontoparietal network recruitment during recognition, whilst controls activated networks in the theta and beta bands. CONCLUSIONS Our findings suggest that since adults with ASD performed well on the n-back task, their appropriate, but effortful recruitment of alpha-band mechanisms in the frontoparietal network to maintain items in STM and WM may compensate for atypical modulation of this network in the theta band to recognise previously presented items in STM.
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Affiliation(s)
- Veronica Yuk
- Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, ON, Canada.,Neurosciences & Mental Health Program, SickKids Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Psychology, University of Toronto, Toronto, ON, Canada
| | - Charline Urbain
- Neuropsychology and Functional Neuroimaging Research Group, Center for Research in Cognition & Neurosciences and ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium.,Laboratoire de Cartographie Fonctionnelle du Cerveau, Hôpital Erasme, Université Libre de Bruxelles, Brussels, Belgium
| | - Evdokia Anagnostou
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada.,Department of Neurology, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Paediatrics, University of Toronto, Toronto, ON, Canada
| | - Margot J Taylor
- Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, ON, Canada.,Neurosciences & Mental Health Program, SickKids Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Psychology, University of Toronto, Toronto, ON, Canada.,Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
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17
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Creativity in Autism: An Examination of General and Mathematical Creative Thinking Among Children with Autism Spectrum Disorder and Children with Typical Development. J Autism Dev Disord 2019; 49:3833-3844. [PMID: 31183666 DOI: 10.1007/s10803-019-04094-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
This study investigated creative thinking abilities among two groups of 20 children with autism spectrum disorders (ASD) compared to 20 children with typical development ages 9-11. The study compared performance on two different creativity tests: general creativity (Pictorial Multiple Solutions-PMS) test versus mathematical creativity (Creating Equal Number-CEN) test, and investigated relationships between general and mathematical creative thinking across various cognitive measures including non-verbal IQ, verbal and non-verbal working memory and Attention. Results of the study demonstrate significant correlations among the measures of creativity indicating that the PMS and the CEN tasks represent different skills, or perhaps, different domains of creativity. Findings suggest that creativity can be found among individuals with ASD.
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18
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Gooskens B, Bos DJ, Mensen VT, Shook DA, Bruchhage MMK, Naaijen J, Wolf I, Brandeis D, Williams SCR, Buitelaar JK, Oranje B, Durston S. No evidence of differences in cognitive control in children with autism spectrum disorder or obsessive-compulsive disorder: An fMRI study. Dev Cogn Neurosci 2019; 36:100602. [PMID: 30559053 PMCID: PMC6969278 DOI: 10.1016/j.dcn.2018.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 10/05/2018] [Accepted: 11/26/2018] [Indexed: 12/27/2022] Open
Abstract
Repetitive behaviors are among the core symptoms of both Autism Spectrum Disorder (ASD) and Obsessive-Compulsive Disorder (OCD) and are thought to be associated with impairments in cognitive control. However, it is still unknown how deficits in cognitive control and associated neural circuitry relate to the quality or severity of repetitive behavior in children with these disorders. Therefore, we investigated the behavioral and neural correlates of cognitive control using a modified stop-signal task in a multicenter study of children (aged 8-12 years) with ASD, OCD and typically developing (TD) children (N = 95). As both ASD and OCD have high levels of comorbidity with Attention Deficit/Hyperactivity Disorder (ADHD), we did an exploratory analysis addressing ADHD-symptoms. We found that children with ASD and OCD did not show deficits in cognitive control or changes in brain activity in task-relevant neural networks when compared to TD children. However, increased activity in prefrontal brain areas was associated with increased symptoms of comorbid ADHD. As such, this study does not support differences in cognitive control or associated neural circuitry in children with ASD and OCD, but rather suggests that changes in cognitive control in these disorders may be related to symptoms of comorbid ADHD.
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Affiliation(s)
- Bram Gooskens
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands.
| | - Dienke J Bos
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Vincent T Mensen
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Devon A Shook
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Muriel M K Bruchhage
- Department of Neuroimaging, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK
| | - Jilly Naaijen
- Department of Cognitive Neuroscience, Donders Institute of Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Isabella Wolf
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty, Mannheim/Heidelberg University, Mannheim, Germany
| | - Daniel Brandeis
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty, Mannheim/Heidelberg University, Mannheim, Germany; Department of Child and Adolescent Psychiatry and Psychotherapy, Psychiatric Hospital, University of Zurich, Zurich, Switzerland; Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich, Zurich, Switzerland; ETH Zurich, Zurich, Switzerland
| | - Steven C R Williams
- Department of Neuroimaging, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK
| | - Jan K Buitelaar
- Department of Cognitive Neuroscience, Donders Institute of Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands; Karakter Child and Adolescent Psychiatry University Center, Nijmegen, the Netherlands
| | - Bob Oranje
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sarah Durston
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
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19
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An J, Wen W, Wu Z, Wan X. Differential inter-trial effects in the visual search of children, adolescents, and young adults. Acta Psychol (Amst) 2018; 191:171-178. [PMID: 30286429 DOI: 10.1016/j.actpsy.2018.09.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 09/14/2018] [Accepted: 09/26/2018] [Indexed: 10/28/2022] Open
Abstract
We examined the age-related variation in one type of inter-trial effect of visual search, the distractor previewing effect (DPE), in affectively neutral and affectively charged contexts. In Experiment 1, children, adolescents, and young adults were faster to identify the shape of a color target when the color of the current distractors had already been previewed than when the target had been previewed in the preceding target-absent trial, indicative of a color-based DPE. The results revealed a greater DPE in children than in adolescents and young adults, but it can be attributed to children's slower RTs than the other two groups. In Experiment 2, children, adolescents, and young adults were instructed to respond to a schematic face that was different from the other two faces. Young adults were faster in searching for a threatening face among friendly ones when they had previewed a target-absent display consisting of friendly faces than that of threatening faces, indicating an emotional DPE. By contrast, children showed a reversed DPE under the same condition, whereas adolescents showed no DPE. Taken together, these results suggested that the three age groups were all able to create an inhibitory attentional bias on the basis of trial history in affectively neutral context, whereas children and adolescents were not able to create such an inhibitory attentional bias in affectively charged contexts in the same way as adults did. These findings implied that the development of attentional inhibition abilities in affectively charged contexts might be delayed compared to those in affectively neutral contexts.
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20
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Lui M, So WC, Tsang YK. Neural evidence for reduced automaticity in processing emotional prosody among men with high levels of autistic traits. Physiol Behav 2018; 196:47-58. [PMID: 30157447 DOI: 10.1016/j.physbeh.2018.08.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 08/21/2018] [Accepted: 08/24/2018] [Indexed: 11/16/2022]
Abstract
This study aimed to examine individual differences in the integration of emotional prosody when processing semantic meaning in speech among men with high and low levels of autistic traits, as measured by the Autism Spectrum Quotient (AQ). The behavioral and neural responses of high- and low-AQ men during semantic valence judgment were compared. The stimuli were positive or negative words spoken with either happy or sad prosody; in other words, the prosody was either congruous or incongruous to the valence of meaning. Participants were required to judge the (positive vs. negative) valence of word meaning as accurately and as quickly as possible while ignoring emotional prosody. Behavioral results showed that high-AQ men responded significantly more slowly than low-AQ men in all stimulus conditions, indicating lower automaticity in processing emotional speech. Neural data revealed that low-AQ men (but not high-AQ men) had significantly increased N200 and N400 amplitudes for incongruous (compared to congruous) stimuli spoken with happy prosody. Our findings supported our hypotheses that high levels of autistic traits are associated with reduced behavioral automaticity and less differential neural resources allocated to processing emotional speech stimuli with different cognitive demands.
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Affiliation(s)
- Ming Lui
- Department of Education Studies, Hong Kong Baptist University, Hong Kong, China.
| | - Wing-Chee So
- Department of Educational Psychology, Chinese University of Hong Kong, Hong Kong, China
| | - Yiu-Kei Tsang
- Department of Education Studies, Hong Kong Baptist University, Hong Kong, China
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21
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Ikeda T, Tokuda T, Monden Y, Hirai M, Mizushima SG, Nagashima M, Kyutoku Y, Taniguchi T, Shimoizumi H, Dan I, Yamagata T. Hypoactivation of the Right Prefrontal Cortex Underlying Motor-Related Inhibitory Deficits in Children with Autism Spectrum Disorder: A Functional Near-Infrared Spectroscopy Study. JAPANESE PSYCHOLOGICAL RESEARCH 2018. [DOI: 10.1111/jpr.12204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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22
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Ikeda T, Hirai M, Sakurada T, Monden Y, Tokuda T, Nagashima M, Shimoizumi H, Dan I, Yamagata T. Atypical neural modulation in the right prefrontal cortex during an inhibitory task with eye gaze in autism spectrum disorder as revealed by functional near-infrared spectroscopy. NEUROPHOTONICS 2018; 5:035008. [PMID: 30211250 PMCID: PMC6123570 DOI: 10.1117/1.nph.5.3.035008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 08/02/2018] [Indexed: 05/20/2023]
Abstract
Autism spectrum disorder (ASD) is characterized by impairment in social communication and the presence of restricted and repetitive behaviors and interests. Executive function impairment is reportedly partially responsible for these symptoms. Executive function includes planning, flexibility, and inhibitory control. Although planning and flexibility in ASD have been consistently reported as atypical, the atypicality of inhibitory control remains controversial. As most previous studies have used nonsocial stimuli to investigate inhibitory control in ASD, the effects of socially relevant information on the inhibitory control system in individuals with ASD remain unclear. Therefore, we developed a go/no-go task with gaze stimuli and measured hemodynamic responses in the right prefrontal cortex (PFC), involved in inhibitory processing in both typically developing (TD) children and children with ASD, using functional near-infrared spectroscopy. Direct gaze induced commission errors to similar extents in both groups. Contrary to the behavioral responses, neural activation in the right PFC was modulated by gaze direction only in the TD group. These findings suggest that the gaze-processing mechanisms in the prefrontal region may be affected by atypical gaze processing in other brain regions during an inhibitory control task with socially relevant information in ASD.
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Affiliation(s)
- Takahiro Ikeda
- Jichi Medical University, Department of Pediatrics, Shimotsuke, Japan
| | - Masahiro Hirai
- Jichi Medical University, Center for Development of Advanced Medical Technology, Shimotsuke, Japan
- University of London, Centre for Brain and Cognitive Development, London, United Kingdom
- Address all correspondence to: Masahiro Hirai,
| | - Takeshi Sakurada
- Jichi Medical University, Center for Development of Advanced Medical Technology, Shimotsuke, Japan
| | - Yukifumi Monden
- Jichi Medical University, Department of Pediatrics, Shimotsuke, Japan
- International University of Health and Welfare, Department of Pediatrics, Nasushiobara, Japan
| | - Tatsuya Tokuda
- Chuo University, Applied Cognitive Neuroscience Laboratory, Tokyo, Japan
| | - Masako Nagashima
- Jichi Medical University, Department of Pediatrics, Shimotsuke, Japan
| | - Hideo Shimoizumi
- International University of Health and Welfare Rehabilitation Center, Nasu Institute for Developmental Disabilities, Otawara, Japan
| | - Ippeita Dan
- Chuo University, Applied Cognitive Neuroscience Laboratory, Tokyo, Japan
| | - Takanori Yamagata
- Jichi Medical University, Department of Pediatrics, Shimotsuke, Japan
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Self-selected music-induced reduction of perceived exertion during moderate-intensity exercise does not interfere with post-exercise improvements in inhibitory control. Physiol Behav 2018; 194:170-176. [PMID: 29807054 DOI: 10.1016/j.physbeh.2018.05.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 05/21/2018] [Accepted: 05/24/2018] [Indexed: 11/24/2022]
Abstract
Acute aerobic exercise improves inhibitory control (IC). This improvement is often associated with increases in perceived exertion during exercise. However, listening to music during aerobic exercise mitigates an exercise-induced increase in perceived exertion. Thus, it is hypothesized that such effects of music may interfere with exercise-induced improvements in IC. To test this hypothesis, we examined the effect of music on post-exercise IC improvements that were induced by moderate-intensity exercise. Fifteen healthy young men performed cycle ergometer exercise with music or non-music. The exercise was performed using a moderate-intensity of 60% of VO2 peak for 30 min. The music condition was performed while listening to self-selected music. The non-music condition involved no music. To evaluate IC, the Stroop task was administered before exercise, immediately after exercise, and during the 30-min post-exercise recovery period. The rate of perceived exertion immediately before moderate-intensity exercise completed was significantly lower in music condition than in non-music condition. The IC significantly improved immediately after exercise and during the post-exercise recovery period compared to before exercise in both music and non-music conditions. The post-exercise IC improvements did not significantly differ between the two conditions. These findings indicate that self-selected music-induced mitigation of the increase in perceived exertion during moderate-intensity exercise dose not interfere with exercise-induced improvements in IC. Therefore, we suggest that listening to music may be a beneficial strategy in mitigating the increase in perceived exertion during aerobic exercise without decreasing the positive effects on IC.
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Roebuck H, Sindberg H, Weismer SE. The Role of Language in Nonlinguistic Stimuli: Comparing Inhibition in Children With Language Impairment. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2018; 61:1216-1225. [PMID: 29710337 PMCID: PMC6195084 DOI: 10.1044/2018_jslhr-l-17-0294] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 01/30/2018] [Indexed: 05/11/2023]
Abstract
PURPOSE There is conflicting evidence regarding if and how a deficit in executive function may be associated with developmental language impairment (LI). Nonlinguistic stimuli are now frequently used when testing executive function to avoid a language confound. However, it is possible that increased stimulus processing demands for nonlinguistic stimuli may also compound the complexity of the relationship between executive function and LI. The current study examined whether variability across nonlinguistic auditory stimuli might differentially affect inhibition and whether performance differs between children with and without language difficulties. METHOD Sixty children, aged 8-14 years, took part in the study: 20 typically developing children, 20 children with autism spectrum disorder, and 20 children with specific LI. For the purposes of assessing the role of language, children were further categorized based on language ability: 33 children with normal-language (NL) ability and 27 children with LI. Children completed a go/no-go task with 2 conditions comparing nonlinguistic auditory stimuli: 2 abstract sounds and 2 familiar sounds (duck quack and dog bark). RESULTS There was no significant difference for diagnostic category. However, there was a significant interaction between language ability and condition. There was no significant difference in the NL group performance in the abstract and familiar sound conditions. In contrast, the group with LI made significantly more errors in the abstract condition compared with the familiar condition. There was no significant difference in inhibition between the NL group and the group with LI in the familiar condition; however, the group with LI made significantly more errors than the NL group in the abstract condition. CONCLUSIONS Caution is needed in stimuli selection when examining executive function skills because, although stimuli may be selected on the basis of being "nonlinguistic and auditory," the type of stimuli chosen can differentially affect performance. The findings have implications for the interpretation of deficits in executive function as well as the selection of stimuli in future studies.
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Affiliation(s)
| | | | - Susan Ellis Weismer
- Waisman Center, University of Wisconsin-Madison
- Department of Communication Sciences & Disorders, University of Wisconsin-Madison
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25
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Schmitt LM, White SP, Cook EH, Sweeney JA, Mosconi MW. Cognitive mechanisms of inhibitory control deficits in autism spectrum disorder. J Child Psychol Psychiatry 2018; 59:586-595. [PMID: 29052841 PMCID: PMC5906199 DOI: 10.1111/jcpp.12837] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/20/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Inhibitory control deficits are common in autism spectrum disorder (ASD) and associated with more severe repetitive behaviors. Inhibitory control deficits may reflect slower execution of stopping processes, or a reduced ability to delay the onset of behavioral responses in contexts of uncertainty. Previous studies have documented relatively spared stopping processes in ASD, but whether inhibitory control deficits in ASD reflect failures to delay response onset has not been systematically assessed. Further, while improvements in stopping abilities and response slowing are seen through adolescence/early adulthood in health, their development in ASD is less clear. METHODS A stop-signal test (SST) was administered to 121 individuals with ASD and 76 age and IQ-matched healthy controls (ages 5-28). This test included 'GO trials' in which participants pressed a button when a peripheral target appeared and interleaved 'STOP trials' in which they were cued to inhibit button-presses when a stop-signal appeared at variable times following the GO cue. STOP trial accuracy, RT of the stopping process (SSRT), and reaction time (RT) slowing during GO trials were examined. RESULTS Relative to controls, individuals with ASD had reduced accuracy on STOP trials. SSRTs were similar across control and ASD participants, but RT slowing was reduced in patients compared to controls. Age-related increases in stopping ability and RT slowing were attenuated in ASD. Reduced stopping accuracy and RT slowing were associated with more severe repetitive behaviors in ASD. DISCUSSION Our findings show that inhibitory control deficits in ASD involve failures to strategically delay behavioral response onset. These results suggest that reduced preparatory behavioral control may underpin inhibitory control deficits as well as repetitive behaviors in ASD. Typical age-related improvements in inhibitory control during late childhood/early adolescence are reduced in ASD, highlighting an important developmental window during which treatments may mitigate cognitive alterations contributing to repetitive behaviors.
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Affiliation(s)
- Lauren M. Schmitt
- Schiefelbusch Institute for Life Span Studies and Clinical Child Psychology Program, University of Kansas,Kansas Center for Autism Research and Training (KCART), University of Kansas Medical School,Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati
| | - Stormi P. White
- Center for Autism and Developmental Disabilities, University of Texas Southwestern Medical Center
| | - Edwin H. Cook
- Institute for Juvenile Research, University of Illinois at Chicago
| | - John A. Sweeney
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati
| | - Matthew W. Mosconi
- Schiefelbusch Institute for Life Span Studies and Clinical Child Psychology Program, University of Kansas,Kansas Center for Autism Research and Training (KCART), University of Kansas Medical School
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Freeman LM, Locke J, Rotheram-Fuller E, Mandell D. Brief Report: Examining Executive and Social Functioning in Elementary-Aged Children with Autism. J Autism Dev Disord 2017; 47:1890-1895. [PMID: 28260182 PMCID: PMC5536167 DOI: 10.1007/s10803-017-3079-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
There is a paucity of literature examining the relationship between executive and social functioning in children with autism spectrum disorder (ASD). Twenty-three school-aged children with ASD participated. Executive functioning was measured using the Developmental Neuropsychological Assessment, Second Edition and Differential Ability Scales, Second Edition, and the teacher-rated Behavior Rating of Inventory of Executive Function. Independent assessors observed children's social functioning on the playground while children with ASD and their peers completed a survey to measure peer friendships and rejections. Overall, poorer executive functioning was associated with increased playground isolation and less engagement with peers. This suggests that metacognitive skills such as initiation, working memory, and planning and organization are associated with children's social functioning.
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Affiliation(s)
| | - Jill Locke
- University of Washington, Seattle, WA, USA.
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Velasquez F, Qin XA, Reilly MA, Neuhaus E, Estes A, Aylward E, Kleinhans NM. Neural correlates of emotional inhibitory control in autism spectrum disorders. RESEARCH IN DEVELOPMENTAL DISABILITIES 2017; 64:64-77. [PMID: 28359873 DOI: 10.1016/j.ridd.2017.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 02/09/2017] [Accepted: 03/15/2017] [Indexed: 06/07/2023]
Abstract
Atypical inhibitory function is often present in individuals with autism spectrum disorder (ASD), who may have difficulty suppressing context-inappropriate behaviors. We investigated the neural correlates of inhibition in ASD in response to both emotional and non-emotional stimuli using an fMRI Go/NoGo inhibition task with human faces and letters. We also related neural activation to behavioral dysfunction in ASD. Our sample consisted of 19 individuals with ASD (mean age=25.84) and 22 typically developing (TD) control participants (mean age=29.03). As expected, no group differences in task performance (inhibition accuracy and response time) were found. However, adults with ASD exhibited greater angular gyrus activation in face response inhibition blocks, as well as greater fusiform gyrus activation than controls, in a condition comparing face inhibition to letter inhibition. In contrast, control participants yielded significantly greater anterior cingulate cortex (ACC) activation in letter inhibition blocks. A positive relationship between communication and language impairment and angular gyrus activation during face inhibition was also found. Group activation differences during inhibition tasks in the context of comparable task performance and the relationship between activation and dysfunction highlight brain regions that may be related to ASD-specific dysfunction.
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Affiliation(s)
- Francisco Velasquez
- Department of Radiology, University of Washington, Seattle, WA, USA; Integrative Brain Imaging Center, University of Washington, Seattle, WA, USA.
| | - Xiaoyan Angela Qin
- Department of Radiology, University of Washington, Seattle, WA, USA; Integrative Brain Imaging Center, University of Washington, Seattle, WA, USA
| | - Melissa A Reilly
- Department of Radiology, University of Washington, Seattle, WA, USA; Integrative Brain Imaging Center, University of Washington, Seattle, WA, USA
| | - Emily Neuhaus
- Autism Center, University of Washington, Seattle, WA, USA; Seattle Children's Research Institute, Seattle, WA, USA
| | - Annette Estes
- Autism Center, University of Washington, Seattle, WA, USA; Department of Speech and Hearing Sciences, University of Washington, Seattle, WA, USA
| | | | - Natalia M Kleinhans
- Department of Radiology, University of Washington, Seattle, WA, USA; Integrative Brain Imaging Center, University of Washington, Seattle, WA, USA; Autism Center, University of Washington, Seattle, WA, USA
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Broad Cognitive Profile in Children and Adolescents with HF-ASD and in Their Siblings: Widespread Underperformance and its Clinical and Adaptive Correlates. J Autism Dev Disord 2017; 47:2153-2162. [DOI: 10.1007/s10803-017-3137-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Parsons TD, Carlew AR. Bimodal Virtual Reality Stroop for Assessing Distractor Inhibition in Autism Spectrum Disorders. J Autism Dev Disord 2016; 46:1255-67. [PMID: 26614084 DOI: 10.1007/s10803-015-2663-7] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Executive functioning deficits found in college students with ASD may have debilitating effects on their everyday activities. Although laboratory studies tend to report unimpaired inhibition in autism, studies of resistance to distractor inhibition reveal difficulties. In two studies, we compared a Virtual Classroom task with paper-and-pencil and computerized Stroop modalities in typically developing individuals and individuals with ASD. While significant differences were not observed between ASD and neurotypical groups on the paper-and-pencil and computerized task, individuals with ASD performed significantly worse on the virtual task with distractors. Findings suggest the potential of the Virtual Classroom Bimodal Stroop task to distinguish between prepotent response inhibition (non-distraction condition) and resistance to distractor inhibition (distraction condition) in adults with high functioning autism.
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Affiliation(s)
- Thomas D Parsons
- Computational Neuropsychology and Simulation (CNS), Department of Psychology, University of North Texas, 1155 Union Circle #311280, Denton, TX, 76203, USA.
| | - Anne R Carlew
- Computational Neuropsychology and Simulation (CNS), Department of Psychology, University of North Texas, 1155 Union Circle #311280, Denton, TX, 76203, USA
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Abstract
Being able to manage reputation is an important social skill, but it is unclear whether autistic children can manage reputation. This study investigated whether 33 autistic children matched to 33 typical children could implicitly or explicitly manage reputation. Further, we examined whether cognitive processes—theory of mind, social motivation, inhibitory control and reciprocity—contribute to reputation management. Results showed that neither group implicitly managed reputation, and there was no group difference in explicit reputation management. Results suggested different mechanisms contribute to reputation management in these groups—social motivation in typical children and reciprocity in autistic children. Explicit reputation management is achievable for autistic children, and there are individual differences in its relationship to underlying cognitive processes.
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Affiliation(s)
- Eilidh Cage
- Centre for Research in Autism and Education (CRAE), Department of Psychology and Human Development, UCL Institute of Education, University College London, London, UK. .,Department of Psychology, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, UK.
| | - Geoffrey Bird
- MRC Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Kings College London, London, UK.,Institute of Cognitive Neuroscience, University College London, London, UK
| | - Elizabeth Pellicano
- Centre for Research in Autism and Education (CRAE), Department of Psychology and Human Development, UCL Institute of Education, University College London, London, UK.,School of Psychology, University of Western Australia, Perth, Australia
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Pastor-Cerezuela G, Fernández-Andrés MI, Feo-Álvarez M, González-Sala F. Semantic Verbal Fluency in Children with and without Autism Spectrum Disorder: Relationship with Chronological Age and IQ. Front Psychol 2016; 7:921. [PMID: 27379002 PMCID: PMC4911419 DOI: 10.3389/fpsyg.2016.00921] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 06/03/2016] [Indexed: 11/23/2022] Open
Abstract
We administered a semantic verbal fluency (SVF) task to two groups of children (age range from 5 to 8): 47 diagnosed with Autism Spectrum Disorder (ASD Group) and 53 with typical development (Comparison Group), matched on gender, chronological age, and non-verbal IQ. Four specific indexes were calculated from the SVF task, reflecting the different underlying cognitive strategies used: clustering (component of generativity and lexical-semantic access), and switching (executive component, cognitive flexibility). First, we compared the performance of the two groups on the different SVF task indicators, with the ASD group scoring lower than the Comparison Group, although the difference was greater on switching than on clustering. Second, we analyzed the relationships between the different SVF measures and chronological age, verbal IQ and non-verbal IQ. While in the Comparison Group chronological age was the main predictor of performance on the SVF task, in the ASD Group verbal IQ was the best predictor. In the children with ASD, therefore, greater linguistic competence would be associated with better performance on the SVF task, which should be taken into account in speech therapies designed to achieve improvements in linguistic generativity and cognitive flexibility.
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Affiliation(s)
- Gemma Pastor-Cerezuela
- Basic Psychology Department, Faculty of Psychology, University of Valencia, Valencia Spain
| | | | | | - Francisco González-Sala
- Developmental and Educational Psychology Department, Faculty of Psychology, University of Valencia, Valencia Spain
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Relationship Between Sustained, Selective and Shifting Attention and Behavioral Symptoms in Children With High-Functioning Autism. ARCHIVES OF NEUROSCIENCE 2015. [DOI: 10.5812/archneurosci.25066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kriete T, Noelle DC. Dopamine and the development of executive dysfunction in autism spectrum disorders. PLoS One 2015; 10:e0121605. [PMID: 25811610 PMCID: PMC4374973 DOI: 10.1371/journal.pone.0121605] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 02/17/2015] [Indexed: 11/28/2022] Open
Abstract
Persons with autism regularly exhibit executive dysfunction (ED), including problems with deliberate goal-directed behavior, planning, and flexible responding in changing environments. Indeed, this array of deficits is sufficiently prominent to have prompted a theory that executive dysfunction is at the heart of these disorders. A more detailed examination of these behaviors reveals, however, that some aspects of executive function remain developmentaly appropriate. In particular, while people with autism often have difficulty with tasks requiring cognitive flexibility, their fundamental cognitive control capabilities, such as those involved in inhibiting an inappropriate but relatively automatic response, show no significant impairment on many tasks. In this article, an existing computational model of the prefrontal cortex and its role in executive control is shown to explain this dichotomous pattern of behavior by positing abnormalities in the dopamine-based modulation of frontal systems in individuals with autism. This model offers excellent qualitative and quantitative fits to performance on standard tests of cognitive control and cognitive flexibility in this clinical population. By simulating the development of the prefrontal cortex, the computational model also offers a potential explanation for an observed lack of executive dysfunction early in life.
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Affiliation(s)
- Trenton Kriete
- Department of Psychology & Neuroscience, University of Colorado Boulder, Boulder, CO, USA
- * E-mail:
| | - David C. Noelle
- Cognitive & Information Sciences, University of California, Merced, Merced, CA, USA
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Faja S, Dawson G. Reduced delay of gratification and effortful control among young children with autism spectrum disorders. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2015; 19:91-101. [PMID: 24335116 PMCID: PMC4116476 DOI: 10.1177/1362361313512424] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We explored internal control of behavior using direct observation and parent report. Previous research has found that both the delay of gratification task and parent-reported effortful control predict later social ability and more positive outcomes in typically developing children. Children with autism spectrum disorder have previously been reported to have reduced effortful control, whereas delay of gratification ability has not been tested in a group with autism spectrum disorder. The current study compared 21 children with autism spectrum disorder and 21 typically developing children between 6 and 7 years of age-all of whom had cognitive ability at or above the average range. Children with autism spectrum disorder were less able to delay gratification, and their parents reported significantly reduced effortful control; however, scores on these measures were unrelated within the group with autism spectrum disorder. Among the children with autism spectrum disorder, lower effortful control was associated with more severe clinician-observed social symptoms.
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Chantiluke K, Barrett N, Giampietro V, Santosh P, Brammer M, Simmons A, Murphy DG, Rubia K. Inverse fluoxetine effects on inhibitory brain activation in non-comorbid boys with ADHD and with ASD. Psychopharmacology (Berl) 2015; 232:2071-82. [PMID: 25533997 PMCID: PMC4432080 DOI: 10.1007/s00213-014-3837-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Accepted: 12/03/2014] [Indexed: 11/27/2022]
Abstract
RATIONALE Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) are often comorbid and have both performance and brain dysfunctions during motor response inhibition. Serotonin agonists modulate motor response inhibition and have shown positive behavioural effects in both disorders. AIMS We therefore used functional magnetic resonance imaging (fMRI) to investigate the so far unknown shared and disorder-specific inhibitory brain dysfunctions in these two disorders, as well as the effects of a single dose of the selective serotonin reuptake inhibitor fluoxetine. METHODS Age-matched boys with ADHD (18), ASD (19) and healthy controls (25) were compared with fMRI during a stop task measuring motor inhibition. Patients were scanned twice, under either an acute dose of fluoxetine or placebo in a double-blind, placebo-controlled randomised design. Repeated measures analyses within patients assessed drug effects. To test for potential normalisation effects of brain dysfunctions, patients under each drug condition were compared to controls. RESULTS Under placebo, relative to controls, ASD boys showed overactivation in left and right inferior frontal cortex (IFC), while ADHD boys showed disorder-specific underactivation in orbitofrontal cortex (OFC) and basal ganglia. Under fluoxetine, the prefrontal dysfunctions were no longer observed, due to inverse effects of fluoxetine on these activations: fluoxetine downregulated IFC and OFC activation in ASD but upregulated them in ADHD. CONCLUSIONS The findings show that fluoxetine normalises frontal lobe dysfunctions in both disorders via inverse effects, downregulating abnormally increased frontal activation in ASD and upregulating abnormally decreased frontal activation in ADHD, potentially reflecting inverse baseline serotonin levels in both disorders.
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Affiliation(s)
- Kaylita Chantiluke
- Department of Child and Adolescent Psychiatry/MRC Center for Social, Genetic and Developmental Psychiatry (SGDP), Institute of Psychiatry, King’s College London, 16 De Crespigny Park, PO46, London, SE5 8AF UK
| | | | - Vincent Giampietro
- Department of Neuroimaging, Institute of Psychiatry, King’s College London, London, UK
| | - Paramala Santosh
- Department of Child and Adolescent Psychiatry/MRC Center for Social, Genetic and Developmental Psychiatry (SGDP), Institute of Psychiatry, King’s College London, 16 De Crespigny Park, PO46, London, SE5 8AF UK
| | - Michael Brammer
- Department of Neuroimaging, Institute of Psychiatry, King’s College London, London, UK
| | - Andrew Simmons
- Department of Neuroimaging, Institute of Psychiatry, King’s College London, London, UK
- NIHR Biomedical Research Centre for Mental Health at South London and Maudsley NHS Trust and Institute of Psychiatry, King’s College London, London, UK
| | - Declan G. Murphy
- Department of Forensic and Developmental Sciences & the Sackler Institute for Translational Neurodevelopment, Institute of Psychiatry, King’s College London, London, UK
| | - Katya Rubia
- Department of Child and Adolescent Psychiatry/MRC Center for Social, Genetic and Developmental Psychiatry (SGDP), Institute of Psychiatry, King’s College London, 16 De Crespigny Park, PO46, London, SE5 8AF UK
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Chmielewski WX, Beste C. Action control processes in autism spectrum disorder – Insights from a neurobiological and neuroanatomical perspective. Prog Neurobiol 2015; 124:49-83. [DOI: 10.1016/j.pneurobio.2014.11.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 11/03/2014] [Accepted: 11/06/2014] [Indexed: 12/22/2022]
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Ferraro FR. No evidence of reaction time slowing in autism spectrum disorder. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2014; 20:116-22. [PMID: 25512973 DOI: 10.1177/1362361314559986] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A total of 32 studies comprising 238 simple reaction time and choice reaction time conditions were examined in individuals with autism spectrum disorder (n = 964) and controls (n = 1032). A Brinley plot/multiple regression analysis was performed on mean reaction times, regressing autism spectrum disorder performance onto the control performance as a way to examine any generalized simple reaction time/choice reaction time slowing exhibited by the autism spectrum disorder group. The resulting regression equation was Y (autism spectrum disorder) = 0.99 × (control) + 87.93, which accounted for 92.3% of the variance. These results suggest that there are little if any simple reaction time/choice reaction time slowing in this sample of individual with autism spectrum disorder, in comparison with controls. While many cognitive and information processing domains are compromised in autism spectrum disorder, it appears that simple reaction time/choice reaction time remain relatively unaffected in autism spectrum disorder.
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Worsham W, Gray WE, Larson MJ, South M. Conflict adaptation and congruency sequence effects to social–emotional stimuli in individuals with autism spectrum disorders. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2014; 19:897-905. [DOI: 10.1177/1362361314553280] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: The modification of performance following conflict can be measured using conflict adaptation tasks thought to measure the change in the allocation of cognitive resources in order to reduce conflict interference and improve performance. While previous studies have suggested atypical processing during nonsocial cognitive control tasks, conflict adaptation (i.e. congruency sequence effects) for social–emotional stimuli have not been previously studied in autism spectrum disorder. Methods: A total of 32 participants diagnosed with autism spectrum disorder and 27 typically developing matched controls completed an emotional Stroop conflict task that required the classification of facial affect while simultaneously ignoring an overlaid affective word. Results: Both groups showed behavioral evidence for emotional conflict adaptation based on response times and accuracy rates. However, the autism spectrum disorder group demonstrated a speed-accuracy trade-off manifested through significantly faster response times and decreased accuracy rates on trials containing conflict between the emotional face and the overlaid emotional word. Conclusion: Reduced selective attention toward socially relevant information may bias individuals with autism spectrum disorder toward more rapid processing and decision making even when conflict is present. Nonetheless, the loss of important information from the social stimuli reduces decision-making accuracy, negatively affecting the ability to adapt both cognitively and emotionally when conflict arises.
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White SW, Mazefsky CA, Dichter GS, Chiu PH, Richey JA, Ollendick TH. Social-cognitive, physiological, and neural mechanisms underlying emotion regulation impairments: understanding anxiety in autism spectrum disorder. Int J Dev Neurosci 2014; 39:22-36. [PMID: 24951837 PMCID: PMC4180783 DOI: 10.1016/j.ijdevneu.2014.05.012] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/28/2014] [Accepted: 05/29/2014] [Indexed: 12/28/2022] Open
Abstract
Anxiety is one of the most common clinical problems among children, adolescents, and adults with autism spectrum disorder (ASD), yet we know little about its etiology in the context of ASD. We posit that emotion regulation (ER) impairments are a risk factor for anxiety in ASD. Specifically, we propose that one reason why anxiety disorders are so frequently comorbid with ASD is because ER impairments are ubiquitous to ASD, stemming from socio-cognitive, physiological, and neurological processes related to impaired cognitive control, regulatory processes, and arousal. In this review, we offer a developmental model of how ER impairments may arise in ASD, and when (moderating influences) and how (meditational mechanisms) they result in anxiety.
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Affiliation(s)
- Susan W White
- Department of Psychology, Virginia Tech, United States.
| | - Carla A Mazefsky
- Department of Psychiatry, University of Pittsburgh School of Medicine, United States
| | - Gabriel S Dichter
- Department of Psychiatry, University of North Carolina, United States; Department of Psychology, University of North Carolina, United States
| | - Pearl H Chiu
- Virginia Tech Carilion Research Institute and Department of Psychology, Virginia Tech, United States
| | - John A Richey
- Department of Psychology, Virginia Tech, United States
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Weiss JA. Transdiagnostic Case Conceptualization of Emotional Problems in Youth with ASD: An Emotion Regulation Approach. CLINICAL PSYCHOLOGY-SCIENCE AND PRACTICE 2014; 21:331-350. [PMID: 25673923 PMCID: PMC4310071 DOI: 10.1111/cpsp.12084] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 12/27/2013] [Accepted: 01/03/2014] [Indexed: 11/28/2022]
Abstract
Youth with autism spectrum disorder often struggle to cope with co-occurring anxiety, depression, or anger, and having both internalizing and externalizing symptoms is a common clinical presentation. A number of authors have designed cognitive-behavioral interventions to address transdiagnostic factors related to multiple emotional problems, although none have applied this focus to youth with ASD. The current review article describes how a transdiagnostic emotion regulation framework may inform cognitive-behavioral interventions for youth with ASD, which until now have focused almost exclusively on anxiety. Research is needed to empirically test how a transdiagnostic intervention can address the processes of emotion regulation and assist youth with ASD to cope with their emotional disorders.
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Padmanabhan A, Garver K, O'Hearn K, Nawarawong N, Liu R, Minshew N, Sweeney J, Luna B. Developmental changes in brain function underlying inhibitory control in autism spectrum disorders. Autism Res 2014; 8:123-35. [PMID: 25382787 DOI: 10.1002/aur.1398] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 05/28/2014] [Indexed: 11/06/2022]
Abstract
The development of inhibitory control-the ability to suppress inappropriate actions in order to make goal-directed responses-is often impaired in autism spectrum disorders (ASD). In the present study, we examined whether the impairments in inhibitory control evident in ASD reflect-in part-differences in the development of the neural substrates of inhibitory control from adolescence into adulthood. We conducted a functional magnetic resonance imaging (fMRI) study on the anti-saccade task, a probe of inhibitory control, in high-functioning adolescents and adults with ASD compared to a matched group of typically developing (TD) individuals. The ASD group did not show the age-related improvements in behavioral performance from adolescence to adulthood evident in the typical group, consistent with previous behavioral work. The fMRI results indicated that much of the circuitry recruited by the ASD group was similar to the TD group. However, the ASD group demonstrated some unique patterns, including: (a) a failure to recruit the frontal eye field during response preparation in adolescence but comparable recruitment in adulthood; (b) greater recruitment of putamen in adolescence and precuneus in adolescence and adulthood than the TD group; and (c) decreased recruitment in the inferior parietal lobule relative to TD groups. Taken together, these results suggest that brain circuitry underlying inhibitory control develops differently from adolescence to adulthood in ASD. Specifically, there may be relative underdevelopment of brain processes underlying inhibitory control in ASD, which may lead to engagement of subcortical compensatory processes.
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Howard SJ, Johnson J, Pascual-Leone J. Clarifying inhibitory control: Diversity and development of attentional inhibition. COGNITIVE DEVELOPMENT 2014. [DOI: 10.1016/j.cogdev.2014.03.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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de Vries M, Geurts HM. Beyond individual differences: are working memory and inhibition informative specifiers within ASD? J Neural Transm (Vienna) 2014; 121:1183-98. [DOI: 10.1007/s00702-014-1225-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Accepted: 04/15/2014] [Indexed: 01/26/2023]
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Geurts HM, van den Bergh SFWM, Ruzzano L. Prepotent response inhibition and interference control in autism spectrum disorders: two meta-analyses. Autism Res 2014; 7:407-20. [PMID: 24596300 DOI: 10.1002/aur.1369] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 02/02/2014] [Indexed: 11/11/2022]
Abstract
There is a substantial amount of data providing evidence for, but also against the hypothesis that individuals with autism spectrum disorders (ASD) encounter inhibitory control deficits. ASD is often associated with interference control deficits rather than prepotent response inhibition. Moreover, the developmental trajectory for these inhibitory control processes is hypothesized to differ in ASD as compared to typical development. In efforts to gain a more comprehensive perspective of inhibition in ASD, separate quantitative analysis for prepotent response inhibition studies and interference control studies were conducted. Together, these two meta-analyses included 41 studies with a combined sample size of 1,091 people with ASD (M age 14.8 years), and 1,306 typically developing (TD) controls (M age 13.8 years).The meta-analyses indicated that individuals with ASD show increased difficulties in prepotent response inhibition (effect size 0.55) and in interference control (effect size 0.31). In addition, age was a relevant moderator for prepotent response inhibition but not for interference control. Exploratory analyses revealed that when IQ was taken into account, heterogeneity considerably decreased among interference control studies but not among prepotent response inhibition. In contrast to the general belief, both prepotent response inhibition and interference control problems were observed in individuals with ASD. However, a large variation between studies was also found. Therefore, there remain factors beyond inhibition type, age, or IQ that significantly influence inhibitory control performance among individuals with ASD.
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Affiliation(s)
- Hilde M Geurts
- Department of Psychology, Brain & Cognition, University of Amsterdam, Amsterdam, The Netherlands; Research & Development, Dr Leo Kannerhuis, Center for Autism, Amsterdam, The Netherlands; Dutch Autism and ADHD Research Center (d'Arc), Amsterdam, The Netherlands; Cognitive Science Center Amsterdam, University of Amsterdam, Amsterdam, The Netherlands
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Vara AS, Pang EW, Doyle-Thomas KA, Vidal J, Taylor MJ, Anagnostou E. Is inhibitory control a 'no-go' in adolescents with autism spectrum disorder? Mol Autism 2014; 5:6. [PMID: 24485230 PMCID: PMC3939401 DOI: 10.1186/2040-2392-5-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Accepted: 01/13/2014] [Indexed: 11/13/2022] Open
Abstract
Background Autism spectrum disorder (ASD) refers to a range of neurodevelopmental conditions characterized by social communication deficits, repetitive behaviours, and restrictive interests. Impaired inhibition has been suggested to exacerbate the core symptoms of ASD. This is particularly critical during adolescence when social skills are maturing to adult levels. Using magnetoencephalography (MEG), we identified the location and timing pattern of neural activity associated with inhibition in adolescents with autism, compared to typically developing adolescents. Methods The MEG data from 15 adolescents with ASD and 15 age-matched controls (13 to 17 years) were collected during a go/no-go task with inverse ratios of go/no-go trials in two conditions: an inhibition condition (1:2) and a baseline condition (2:1). No-go trials from the two conditions were analyzed using beamformer source localizations from 200 ms to 400 ms post-stimulus onset. Significant activations were determined using permutation testing. Results Adolescents with ASD recruited first the right middle frontal gyrus (200 to 250 ms) followed by the left postcentral gyrus (250 to 300 ms) and finally the left middle frontal and right medial frontal gyri (300 to 400 ms). Typically developing adolescents recruited first the left middle frontal gyrus (200 to 250 ms), followed by the left superior and inferior frontal gyri (250 to 300 ms), then the right middle temporal gyrus (300 to 350 ms), and finally the superior and precentral gyri and right inferior lobule (300 to 400 ms). Conclusions Adolescents with ASD showed recruitment limited largely to the frontal cortex unlike typically developing adolescents who recruited parietal and temporal regions as well. These findings support the presence of an atypical, restricted inhibitory network in adolescents with ASD compared to controls.
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Affiliation(s)
| | | | | | | | | | - Evdokia Anagnostou
- Neurology, The Hospital for Sick Children, University of Toronto, 555 University Avenue, M5G 1X8 Toronto, Ontario, Canada.
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Narzisi A, Muratori F, Calderoni S, Fabbro F, Urgesi C. Neuropsychological profile in high functioning autism spectrum disorders. J Autism Dev Disord 2014; 43:1895-909. [PMID: 23224514 DOI: 10.1007/s10803-012-1736-0] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A comprehensive investigation of the neuropsychological strengths and weaknesses of children with autism may help to better describe their cognitive abilities and to design appropriate interventions. To this end we compared the NEPSY-II profiles of 22 children with high-functioning autism spectrum disorders (HFASD) with those of 44 healthy control (HC) children 2:1 matched by gender, age, race and education. Results showed that only Visuospatial Processing was relatively spared in HFASD, while deficits were observed in Attention and Executive Functions, Language, Learning and Memory, and Sensorimotor Processing. Theory of Mind difficulties were observed in verbal tasks but not in the understanding of emotional contexts, suggesting that appropriate contextual cues might help emotion understanding in HFASD children. These widespread neuropsychological impairments reflect alterations in multiple cognitive domains in HFASD.
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Affiliation(s)
- Antonio Narzisi
- Division of Child Neurology and Psychiatry, Stella Maris Scientific Institute, University of Pisa, Via dei Giacinti, 2, 56018, Calambrone, Pisa, Italy.
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Ishii-Takahashi A, Takizawa R, Nishimura Y, Kawakubo Y, Kuwabara H, Matsubayashi J, Hamada K, Okuhata S, Yahata N, Igarashi T, Kawasaki S, Yamasue H, Kato N, Kasai K, Kano Y. Prefrontal activation during inhibitory control measured by near-infrared spectroscopy for differentiating between autism spectrum disorders and attention deficit hyperactivity disorder in adults. NEUROIMAGE-CLINICAL 2013; 4:53-63. [PMID: 24298446 PMCID: PMC3842411 DOI: 10.1016/j.nicl.2013.10.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Revised: 10/02/2013] [Accepted: 10/03/2013] [Indexed: 12/28/2022]
Abstract
The differential diagnosis of autism spectrum disorders (ASDs) and attention deficit hyperactivity disorder (ADHD) based solely on symptomatic and behavioral assessments can be difficult, even for experts. Thus, the development of a neuroimaging marker that differentiates ASDs from ADHD would be an important contribution to this field. We assessed the differences in prefrontal activation between adults with ASDs and ADHD using an entirely non-invasive and portable neuroimaging tool, near-infrared spectroscopy. This study included 21 drug-naïve adults with ASDs, 19 drug-naïve adults with ADHD, and 21 healthy subjects matched for age, sex, and IQ. Oxygenated hemoglobin concentration changes in the prefrontal cortex were assessed during a stop signal task and a verbal fluency task. During the stop signal task, compared to the control group, the ASDs group exhibited lower activation in a broad prefrontal area, whereas the ADHD group showed underactivation of the right premotor area, right presupplementary motor area, and bilateral dorsolateral prefrontal cortices. Significant differences were observed in the left ventrolateral prefrontal cortex between the ASDs and ADHD groups during the stop signal task. The leave-one-out cross-validation method using mean oxygenated hemoglobin changes yielded a classification accuracy of 81.4% during inhibitory control. These results were task specific, as the brain activation pattern observed during the verbal fluency task did not differentiate the ASDs and ADHD groups significantly. This study therefore provides evidence of a difference in left ventrolateral prefrontal activation during inhibitory control between adults with ASDs and ADHD. Thus, near-infrared spectroscopy may be useful as an auxiliary tool for the differential diagnosis of such developmental disorders.
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Affiliation(s)
- Ayaka Ishii-Takahashi
- Department of Neuropsychiatry Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Williams D, Boucher J, Lind S, Jarrold C. Time-based and event-based prospective memory in autism spectrum disorder: the roles of executive function and theory of mind, and time-estimation. J Autism Dev Disord 2013. [PMID: 23179340 DOI: 10.1007/s10803-012-1703-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Prospective memory (remembering to carry out an action in the future) has been studied relatively little in ASD. We explored time-based (carry out an action at a pre-specified time) and event-based (carry out an action upon the occurrence of a pre-specified event) prospective memory, as well as possible cognitive correlates, among 21 intellectually high-functioning children with ASD, and 21 age- and IQ-matched neurotypical comparison children. We found impaired time-based, but undiminished event-based, prospective memory among children with ASD. In the ASD group, time-based prospective memory performance was associated significantly with diminished theory of mind, but not with diminished cognitive flexibility. There was no evidence that time-estimation ability contributed to time-based prospective memory impairment in ASD.
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Affiliation(s)
- David Williams
- Department of Psychology, Durham University, Durham, DH1 3LE, UK.
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Geurts HM, de Wit S. Goal-directed action control in children with autism spectrum disorders. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2013; 18:409-18. [PMID: 24072663 DOI: 10.1177/1362361313477919] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Repetitive behavior is a key characteristic of autism spectrum disorders. Our aim was to investigate the hypothesis that this abnormal behavioral repetition results from a tendency to over-rely on habits at the expense of flexible, goal-directed action. Twenty-four children with autism spectrum disorders and 24 age- and gender-matched controls (8-12 years) initially learned to give specific responses to different pictorial stimuli in order to gain valuable outcomes. Subsequently, in the "slips-of-action" test, some of these outcomes were no longer valuable. Children needed to refrain from responding when stimuli were shown that signaled the availability of those outcomes while continuing to respond for the still-valuable outcomes. Reliance on habits should lead to "slips of action" toward no longer valuable outcomes. Therefore, the children's ability to respond selectively for still-valuable outcomes provides a measure of relative habitual versus goal-directed control. Two additional tasks were included to control for general task characteristics (i.e. working memory and inhibition). Children with autism spectrum disorders learned equally well as controls and were not impaired at flexibly adjusting their behavior to devaluation of the outcomes or stimuli. We found no evidence for a disruption in the balance between goal-directed and habitual behavioral control in children with autism spectrum disorders.
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Affiliation(s)
- Hilde M Geurts
- 1Department of Psychology and Cognitive Science Center Amsterdam, University of Amsterdam (UvA), The Netherlands
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Yerys BE, Kenworthy L, Jankowski KF, Strang J, Wallace GL. Separate components of emotional go/no-go performance relate to autism versus attention symptoms in children with autism. Neuropsychology 2013; 27:537-45. [PMID: 23937480 DOI: 10.1037/a0033615] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVE The present investigation examined whether higher functioning children with autism would demonstrate impaired response inhibition performance in an emotional go/no-go task, and whether severity of attention-deficit/hyperactivity disorder (ADHD) or autism symptoms correlated with performance. METHOD Forty-four children (21 meeting criteria for autism; 23 typically developing controls [TDCs]) completed an emotional go/no-go task in which an emotional facial expression (angry, fearful, happy, or sad) was the go stimulus and a neutral facial expression was the no-go stimulus, and vice versa. RESULTS The autism group was faster than the TDC group on all emotional go trials. Moreover, the children in the autism group who had the fastest reaction times on emotional go trials were rated as having the greatest number of symptoms (Autism Diagnostic Observation Schedule Social + Communication score), even after accounting for the association with ADHD symptoms. The autism group also made more impulsive responses (i.e., lower d', more false alarms) than the TDC group on all trials. As d' decreased or false alarms increased, so did ADHD symptoms. Hyperactivity/impulsivity symptoms were significantly correlated with false alarms, but inattention symptoms were not. There was not a significant relationship between no-go false alarms and autism symptoms; even after partialing out associations with autism symptoms, the significant correlation between ADHD symptoms and no-go false alarms remained. CONCLUSION The present findings support a comorbidity model that argues for shared and independent risk factors, because ADHD and autism symptoms related to independent aspects of emotional go/no-go performance.
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