Date: Apr 23, 2026

IPAT must give logical, explicit reasons when rejecting PTSD/memory evidence in credibility assessments

1) Introduction

In G.K. (Ghana, Medical Evidence, Memory) v The International Protection Appeals Tribunal and Anor [2026] IEHC 229 (High Court, Gearty J, 22 April 2026), the applicant—an international protection claimant from Ghana—challenged an International Protection Appeals Tribunal (“IPAT”) decision refusing refugee status and subsidiary protection.

The refusal turned on credibility. The applicant alleged repeated homophobic assaults linked to his bisexuality and a relationship with another man. IPAT found his narrative not credible, identifying discrepancies (notably around family dates, relationship details, and the plausibility of public conduct in a hostile environment).

The judicial review focused on whether IPAT lawfully handled medical evidence supporting a diagnosis of post-traumatic stress disorder (PTSD) and describing memory impairment commonly associated with trauma. The High Court held that although IPAT referenced the reports, it did not engage with them meaningfully and did not adequately address the memory issues identified.

2) Summary of the Judgment

The High Court quashed IPAT’s decision.
It held that IPAT discounted two PTSD diagnoses (including a Spirasi medico-legal report and a treating psychologist’s report) without sufficient, logical explanation and without grappling with identified memory impairment.
The Court emphasised that rejecting medical evidence cannot be justified merely by stating that the diagnosis is “dependent” on the applicant’s account or by criticising methodology (e.g., non-use of the Istanbul Protocol) without substantive engagement with the clinical content and its relevance to credibility.
If IPAT considers credibility problems so overwhelming that fuller medical engagement is unnecessary, it must say so expressly and explain what weight (if any) it gives to the medical evidence, including memory issues.
The matter was remitted to a different Tribunal member for fresh determination.
The Court indicated a provisional view that the successful applicant should receive costs.

3) Analysis

3.1 Precedents cited and their influence

The Court treated the legal framework as “well settled”, relying especially on the recent restatement in A.S. v. IPAT [2023] IEHC 53, which in turn quoted the Court of Appeal decision M.M. v. RAT [2015] IECA 158.

M.M. v. RAT [2015] IECA 158 (Faherty J) — the nine-factor framework

Gearty J reproduced the nine factors from M.M. (as quoted in A.S.), which collectively require decision-makers to integrate medical evidence into the overall credibility assessment, assign it appropriate probative value, and provide reasons—especially where medical findings purport to offer objective corroboration.

In this case, the dispute centred on the final three factors (often the “depth of reasons” axis):

Where clinicians report objective findings and use higher-probative formulations, their evidence may amount to potentially objective corroboration and, if rejected, requires more fully addressed reasons.
The obligation to give fuller reasons may be reduced where the balance of evidence overwhelmingly supports an adverse credibility finding—but that conclusion must actually be made and explained.

A.S. v. IPAT [2023] IEHC 53 (Phelan J) — “in the round” evaluation

The High Court applied A.S. as a warning against a common sequencing error: making a credibility finding first and then treating medical evidence as incapable of shifting that conclusion. A.S. emphasises that decision-makers must assess evidence “in the round”. Gearty J found IPAT’s approach echoed the problem identified in A.S.: the reports were referenced but not substantively weighed against credibility concerns, particularly where they bore directly on memory and disclosure.

3.2 Legal reasoning: why IPAT’s approach was unlawful

(a) Reference is not engagement

IPAT listed and summarised the medical materials, including (i) a Spirasi medico-legal report and (ii) a treating psychologist’s report. The High Court accepted that the Tribunal member appeared familiar with the relevant law and even cited A.S.. However, the Court held that mere citation and description did not satisfy the requirement to meaningfully engage with what the reports actually said and how they interacted with credibility concerns.

(b) “Lowest probative value” labels do not dispose of PTSD and memory evidence

IPAT characterised the Spirasi report’s physical-injury assessment as “consistent” (the lowest Istanbul Protocol level) and treated the PTSD finding as “highly dependent” on the applicant’s narrative (IPAT’s para. 47). The High Court did not suggest IPAT was bound by the diagnoses, but found the reasoning insufficient where:

Both clinicians made the same PTSD diagnosis, and the Spirasi report explicitly addressed trauma-related memory, recall, and disclosure difficulties.
IPAT did not explain why those clinical findings did not matter to the specific discrepancies it relied upon (for example, confusion around dates and inconsistent recall).
Dismissing PTSD primarily because it was “dependent on the account” was treated as inadequate: many psychiatric diagnoses necessarily depend on patient history, yet can still be probative in assessing memory consistency and disclosure patterns.

(c) Methodology criticisms (Istanbul Protocol / “approved doctor”) are not a substitute for analysis

IPAT gave limited weight to the treating psychologist’s report partly because symptoms were not assessed “in line with the Istanbul protocol” and the diagnosis was “entirely reliant” on the applicant’s account (IPAT’s para. 67). The High Court held this was simply insufficient reasoning, stressing that:

Even if a report is not prepared under a preferred forensic methodology, it remains expert medical evidence requiring substantive consideration.
A long therapeutic engagement may enhance, not diminish, the importance of a clinician’s observations—while still leaving the ultimate credibility decision to IPAT.
Discounting a report because the clinician is not an “approved” Spirasi report writer misses the legal point: probative value must be assessed by content and reasoning, not by label alone.

(d) Memory impairment was a central, not peripheral, issue

The Court highlighted that the Spirasi report included structured cognitive screening and recorded significant impairment (a score far above the threshold indicating impairment). It also cited Istanbul Protocol material referenced in the report about how trauma can exacerbate normal variability in memory across successive accounts.

Given that IPAT’s adverse credibility findings significantly relied on inconsistencies and recall problems, the High Court considered it legally necessary that IPAT:

explicitly address whether the diagnosed PTSD/memory issues could explain the discrepancies;
explain what weight, if any, was assigned to those issues; and
provide a coherent justification if rejecting the relevance of memory impairment to the credibility analysis.

(e) If “overwhelming credibility” is the answer, it must be stated and reasoned

The Court accepted the M.M. principle that, in rare situations, overwhelming credibility deficits may reduce the need to address medical evidence at length. But Gearty J held that IPAT cannot implicitly rely on that escape hatch; it must expressly find that the credibility case is overwhelming and then still explain how it treated the PTSD/memory evidence (including why those clinical features do not alter the conclusion).

(f) Corroboration from community engagement was treated too narrowly

IPAT considered a local LGBTQ support group letter of limited probative value on the basis that participation did not require identifying as LGBTQ. The High Court found IPAT failed to address associated correspondence in which the applicant identified as bisexual, and did not properly recognise that ongoing engagement could provide at least some corroboration (even if weak). The Court treated this as a secondary error compared with the medical-evidence failures.

3.3 Impact

Decision-writing discipline for IPAT: Where medical evidence speaks to credibility—especially PTSD, cognitive impairment, memory fragmentation, or delayed disclosure—IPAT must demonstrate real engagement and not rely on formulaic dismissals (e.g., “dependent on account”).
Methodology is relevant but not determinative: The Istanbul Protocol and “Spirasi-style” reporting remain important, but this judgment signals that non-Istanbul or non-Sirasi-labelled reports cannot be discounted without a substantive analysis of their clinical reasoning and relevance.
Explicit handling of the “overwhelming credibility” exception: If IPAT relies on the notion that credibility issues overwhelm corroborative medical material, it must say so clearly and explain why, including how memory evidence was treated.
Broader asylum implications: Claimants alleging persecutory violence (including sexuality-based violence) frequently present trauma-linked memory patterns. This judgment reinforces that credibility analysis must account for those patterns, rather than treating memory inconsistency as automatically fatal.

4) Complex concepts simplified

Credibility assessment: The process by which the decision-maker decides whether the applicant’s narrative is believable, based on internal consistency, external plausibility, and supporting materials.
Probative value: How much a piece of evidence actually helps prove a disputed fact. A report may have low probative value if it merely shows something could be true without strongly supporting that it is true.
Istanbul Protocol: International guidelines for documenting torture and ill-treatment. It provides a scale for linking injuries to alleged causes (e.g., “consistent” being a low-level match). The Protocol is also cited for clinical insights, including how trauma can affect memory and disclosure.
PTSD and memory: PTSD can affect concentration, recall, sequencing of events, and willingness/ability to disclose. That does not prove persecution occurred, but it may affect how discrepancies should be interpreted.
“In the round” assessment: Evaluating all evidence together, rather than reaching a fixed credibility conclusion first and then discounting later evidence because it does not fit that conclusion.

5) Conclusion

[2026] IEHC 229 reinforces and sharpens the M.M./A.S. line: IPAT must do more than cite medical reports—it must meaningfully engage with them, particularly where PTSD and documented memory impairment intersect with alleged inconsistencies. Rejecting such evidence requires logical, fully stated reasons. If IPAT considers credibility defects so overwhelming that medical evidence cannot assist, that conclusion must be made explicitly, with an explained approach to the memory evidence. The decision’s quashing and remittal underline that inadequate reasoning on medical evidence remains a material error of law in international protection adjudication.