Benign paroxysmal migraine variants of infancy and childhood: Transitions and clinical features.

Related Articles

Benign paroxysmal migraine variants of infancy and childhood: Transitions and clinical features.

Eur J Paediatr Neurol. 2018 Mar 30;:

Authors: Brodsky J, Kaur K, Shoshany T, Lipson S, Zhou G

Abstract
INTRODUCTION: Migraine variant disorders of childhood include benign paroxysmal torticollis of infancy (BPTI) and benign paroxysmal vertigo of childhood (BPVC). This study aimed to review our experience with BPTI and BPVC and determine the incidence of children transitioning between each of these disorders and to vestibular migraine (VM).
METHODS: We retrospectively reviewed the medical records of patients seen at the Balance and Vestibular Program at Boston Children's Hospital between January 2012 and December 2016 who were diagnosed with BPTI, BPVC, and/or VM.
RESULTS: Fourteen patients were diagnosed with BPTI, 39 with BPVC, and 100 with VM. Abnormal rotary chair testing was associated with progression from BPTI to BPVC (n = 8, p = 0.045). Eight (57.1%) patients with BPTI and 11 (28.2%) with BPVC had motor delay. Eleven (78.6%) patients with BPTI and 21 (53.8%) with BPVC had balance impairment. Six BPTI patients developed BPVC (42.9%), six BPVC patients developed VM (15.4%), and two patients progressed through all three disorders (2%). One BPTI patient progressed directly to VM.
DISCUSSION: Most patients with BPTI will experience complete resolution in early childhood, but some will progress to BPVC, and similarly many patients with BPVC will progress to VM. Parents of children with these disorders should be made aware of this phenomenon, which we refer to as "the vestibular march." Children with BPTI and BPVC should also be screened for hearing loss, otitis media, and motor delay.

PMID: 29656928 [PubMed - as supplied by publisher]

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Benign paroxysmal migraine variants of infancy and childhood: Transitions and clinical features.

Related Articles

Benign paroxysmal migraine variants of infancy and childhood: Transitions and clinical features.

Eur J Paediatr Neurol. 2018 Mar 30;:

Authors: Brodsky J, Kaur K, Shoshany T, Lipson S, Zhou G

Abstract
INTRODUCTION: Migraine variant disorders of childhood include benign paroxysmal torticollis of infancy (BPTI) and benign paroxysmal vertigo of childhood (BPVC). This study aimed to review our experience with BPTI and BPVC and determine the incidence of children transitioning between each of these disorders and to vestibular migraine (VM).
METHODS: We retrospectively reviewed the medical records of patients seen at the Balance and Vestibular Program at Boston Children's Hospital between January 2012 and December 2016 who were diagnosed with BPTI, BPVC, and/or VM.
RESULTS: Fourteen patients were diagnosed with BPTI, 39 with BPVC, and 100 with VM. Abnormal rotary chair testing was associated with progression from BPTI to BPVC (n = 8, p = 0.045). Eight (57.1%) patients with BPTI and 11 (28.2%) with BPVC had motor delay. Eleven (78.6%) patients with BPTI and 21 (53.8%) with BPVC had balance impairment. Six BPTI patients developed BPVC (42.9%), six BPVC patients developed VM (15.4%), and two patients progressed through all three disorders (2%). One BPTI patient progressed directly to VM.
DISCUSSION: Most patients with BPTI will experience complete resolution in early childhood, but some will progress to BPVC, and similarly many patients with BPVC will progress to VM. Parents of children with these disorders should be made aware of this phenomenon, which we refer to as "the vestibular march." Children with BPTI and BPVC should also be screened for hearing loss, otitis media, and motor delay.

PMID: 29656928 [PubMed - as supplied by publisher]

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Morphosyntactic Production and Verbal Working Memory: Evidence From Greek Aphasia and Healthy Aging

Purpose

The present work investigated whether verbal working memory (WM) affects morphosyntactic production in configurations that do not involve or favor similarity-based interference and whether WM interacts with verb-related morphosyntactic categories and/or cue–target distance (locality). It also explored whether the findings related to the questions above lend support to a recent account of agrammatic morphosyntactic production: Interpretable Features' Impairment Hypothesis (Fyndanis, Varlokosta, & Tsapkini, 2012).

Method

A sentence completion task testing production of subject–verb agreement, tense/time reference, and aspect in local and nonlocal conditions and two verbal WM tasks were administered to 8 Greek-speaking persons with agrammatic aphasia (PWA) and 103 healthy participants.

Results

The 3 morphosyntactic categories dissociated in both groups (agreement > tense > aspect). A significant interaction emerged in both groups between the 3 morphosyntactic categories and WM. There was no main effect of locality in either of the 2 groups. At the individual level, all 8 PWA exhibited dissociations between agreement, tense, and aspect, and effects of locality were contradictory.

Conclusions

Results suggest that individuals with WM limitations (both PWA and healthy older speakers) show dissociations between the production of verb-related morphosyntactic categories. WM affects performance shaping the pattern of morphosyntactic production (in Greek: subject–verb agreement > tense > aspect). The absence of an effect of locality suggests that executive capacities tapped by WM tasks are involved in morphosyntactic processing of demanding categories even when the cue is adjacent to the target. Results are consistent with the Interpretable Features' Impairment Hypothesis (Fyndanis et al., 2012).

Supplemental Material

https://doi.org/10.23641/asha.6024428

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Morphosyntactic Production and Verbal Working Memory: Evidence From Greek Aphasia and Healthy Aging

Purpose

The present work investigated whether verbal working memory (WM) affects morphosyntactic production in configurations that do not involve or favor similarity-based interference and whether WM interacts with verb-related morphosyntactic categories and/or cue–target distance (locality). It also explored whether the findings related to the questions above lend support to a recent account of agrammatic morphosyntactic production: Interpretable Features' Impairment Hypothesis (Fyndanis, Varlokosta, & Tsapkini, 2012).

Method

A sentence completion task testing production of subject–verb agreement, tense/time reference, and aspect in local and nonlocal conditions and two verbal WM tasks were administered to 8 Greek-speaking persons with agrammatic aphasia (PWA) and 103 healthy participants.

Results

The 3 morphosyntactic categories dissociated in both groups (agreement > tense > aspect). A significant interaction emerged in both groups between the 3 morphosyntactic categories and WM. There was no main effect of locality in either of the 2 groups. At the individual level, all 8 PWA exhibited dissociations between agreement, tense, and aspect, and effects of locality were contradictory.

Conclusions

Results suggest that individuals with WM limitations (both PWA and healthy older speakers) show dissociations between the production of verb-related morphosyntactic categories. WM affects performance shaping the pattern of morphosyntactic production (in Greek: subject–verb agreement > tense > aspect). The absence of an effect of locality suggests that executive capacities tapped by WM tasks are involved in morphosyntactic processing of demanding categories even when the cue is adjacent to the target. Results are consistent with the Interpretable Features' Impairment Hypothesis (Fyndanis et al., 2012).

Supplemental Material

https://doi.org/10.23641/asha.6024428

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Morphosyntactic Production and Verbal Working Memory: Evidence From Greek Aphasia and Healthy Aging

Purpose

The present work investigated whether verbal working memory (WM) affects morphosyntactic production in configurations that do not involve or favor similarity-based interference and whether WM interacts with verb-related morphosyntactic categories and/or cue–target distance (locality). It also explored whether the findings related to the questions above lend support to a recent account of agrammatic morphosyntactic production: Interpretable Features' Impairment Hypothesis (Fyndanis, Varlokosta, & Tsapkini, 2012).

Method

A sentence completion task testing production of subject–verb agreement, tense/time reference, and aspect in local and nonlocal conditions and two verbal WM tasks were administered to 8 Greek-speaking persons with agrammatic aphasia (PWA) and 103 healthy participants.

Results

The 3 morphosyntactic categories dissociated in both groups (agreement > tense > aspect). A significant interaction emerged in both groups between the 3 morphosyntactic categories and WM. There was no main effect of locality in either of the 2 groups. At the individual level, all 8 PWA exhibited dissociations between agreement, tense, and aspect, and effects of locality were contradictory.

Conclusions

Results suggest that individuals with WM limitations (both PWA and healthy older speakers) show dissociations between the production of verb-related morphosyntactic categories. WM affects performance shaping the pattern of morphosyntactic production (in Greek: subject–verb agreement > tense > aspect). The absence of an effect of locality suggests that executive capacities tapped by WM tasks are involved in morphosyntactic processing of demanding categories even when the cue is adjacent to the target. Results are consistent with the Interpretable Features' Impairment Hypothesis (Fyndanis et al., 2012).

Supplemental Material

https://doi.org/10.23641/asha.6024428

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Vestibular and balance function is often impaired in children with profound unilateral sensorineural hearing loss.

Vestibular and balance function is often impaired in children with profound unilateral sensorineural hearing loss.

Hear Res. 2018 Apr 03;:

Authors: Sokolov M, Gordon KA, Polonenko M, Blaser SI, Papsin BC, Cushing SL

Abstract
RATIONALE: Children with unilateral deafness could have concurrent vestibular dysfunction which would be associated with balance deficits and potentially impair overall development. The prevalence of vestibular and balance deficits remains to be defined in these children.
METHODS: Twenty children with unilateral deafness underwent comprehensive vestibular and balance evaluation.
RESULTS: Retrospective review revealed that more than half of the cohort demonstrated some abnormality of the vestibular end organs (otoliths and horizontal canal), with the prevalence of end organ specific dysfunction ranging from 17 to 48% depending on organ tested and method used. In most children, impairment occurred only on the deaf side. Children with unilateral deafness also displayed significantly poorer balance function than their normal hearing peers.
CONCLUSIONS: The prevalence of vestibular dysfunction in children with unilateral deafness is high and similar to that of children with bilateral deafness. Vestibular and balance evaluation should be routine and the functional impact of combined vestibulo-cochlear sensory deficits considered.

PMID: 29655975 [PubMed - as supplied by publisher]

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Vestibular and balance function is often impaired in children with profound unilateral sensorineural hearing loss.

Vestibular and balance function is often impaired in children with profound unilateral sensorineural hearing loss.

Hear Res. 2018 Apr 03;:

Authors: Sokolov M, Gordon KA, Polonenko M, Blaser SI, Papsin BC, Cushing SL

Abstract
RATIONALE: Children with unilateral deafness could have concurrent vestibular dysfunction which would be associated with balance deficits and potentially impair overall development. The prevalence of vestibular and balance deficits remains to be defined in these children.
METHODS: Twenty children with unilateral deafness underwent comprehensive vestibular and balance evaluation.
RESULTS: Retrospective review revealed that more than half of the cohort demonstrated some abnormality of the vestibular end organs (otoliths and horizontal canal), with the prevalence of end organ specific dysfunction ranging from 17 to 48% depending on organ tested and method used. In most children, impairment occurred only on the deaf side. Children with unilateral deafness also displayed significantly poorer balance function than their normal hearing peers.
CONCLUSIONS: The prevalence of vestibular dysfunction in children with unilateral deafness is high and similar to that of children with bilateral deafness. Vestibular and balance evaluation should be routine and the functional impact of combined vestibulo-cochlear sensory deficits considered.

PMID: 29655975 [PubMed - as supplied by publisher]

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